<abstract>
cc65 is a C compiler for 6502 based systems. This function reference describes
-the available C functions supplied by the library.
+the C functions available in the standard library.
</abstract>
<!-- Table of contents -->
<item><ref id="SEI" name="SEI">
<item><ref id="_sys" name="_sys">
<item><ref id="getcpu" name="getcpu">
-<!-- <item><ref id="reset_brk" name="reset_brk"> -->
-<!-- <item><ref id="set_brk" name="set_brk"> -->
+<item><ref id="reset_brk" name="reset_brk">
+<item><ref id="set_brk" name="set_brk">
</itemize>
+<sect1><tt/apple2.h/<label id="apple2.h"><p>
+
+(incomplete)
+
+
+<sect1><tt/apple2enh.h/<label id="apple2enh.h"><p>
+
+(incomplete)
+
+
<sect1><tt/assert.h/<label id="assert.h"><p>
<itemize>
</itemize>
+<sect1><tt/atari.h/<label id="atari.h"><p>
+
+(incomplete)
+
+
+<sect1><tt/atmos.h/<label id="atmos.h"><p>
+
+(incomplete)
+
+
<sect1><tt/c128.h/<label id="c128.h"><p>
<itemize>
</itemize>
+<sect1><tt/c16.h/<label id="c16.h"><p>
+
+(incomplete)
+
+
+<sect1><tt/c64.h/<label id="c64.h"><p>
+
+(incomplete)
+
+
+<sect1><tt/cbm510.h/<label id="cbm510.h"><p>
+
+(incomplete)
+
+
+<sect1><tt/cbm610.h/<label id="cbm610.h"><p>
+
+(incomplete)
+
+
<sect1><tt/conio.h/<label id="conio.h"><p>
<itemize>
<item><ref id="chline" name="chline">
<item><ref id="chlinexy" name="chlinexy">
<item><ref id="clrscr" name="clrscr">
-<!-- <item><ref id="cprintf" name="cprintf"> -->
-<!-- <item><ref id="cputc" name="cputc"> -->
-<!-- <item><ref id="cputcxy" name="cputcxy"> -->
-<!-- <item><ref id="cputs" name="cputs"> -->
-<!-- <item><ref id="cputsxy" name="cputsxy"> -->
+<item><ref id="cprintf" name="cprintf">
+<item><ref id="cputc" name="cputc">
+<item><ref id="cputcxy" name="cputcxy">
+<item><ref id="cputs" name="cputs">
+<item><ref id="cputsxy" name="cputsxy">
<item><ref id="cursor" name="cursor">
<item><ref id="cvline" name="cvline">
<item><ref id="cvlinexy" name="cvlinexy">
<item><ref id="revers" name="revers">
<item><ref id="screensize" name="screensize">
<item><ref id="textcolor" name="textcolor">
-<!-- <item><ref id="vcprintf" name="vcprintf"> -->
+<item><ref id="vcprintf" name="vcprintf">
<item><ref id="wherex" name="wherex">
<item><ref id="wherey" name="wherey">
</itemize>
</itemize>
+<sect1><tt/dbg.h/<label id="dbg.h"><p>
+
+(incomplete)
+
+
+<sect1><tt/dio.h/<label id="dio.h"><p>
+
+(incomplete)
+
+
<sect1><tt/em.h/<label id="em.h"><p>
<itemize>
</itemize>
+<sect1><tt/errno.h/<label id="errno.h"><p>
+
+(incomplete)
+
+
+<sect1><tt/fcntl.h/<label id="fcntl.h"><p>
+
+<itemize>
+<item><ref id="close" name="close">
+<item><ref id="creat" name="creat">
+<item><ref id="open" name="open">
+</itemize>
+
+
+<sect1><tt/geos.h/<label id="geos.h"><p>
+
+(incomplete)
+
+
+<sect1><tt/joystick.h/<label id="joystick.h"><p>
+
+(incomplete)
+
+
+<sect1><tt/locale.h/<label id="locale.h"><p>
+
+<itemize>
+<item><ref id="localeconv" name="localeconv">
+<item><ref id="setlocale" name="setlocale">
+</itemize>
+
+
+<sect1><tt/modload.h/<label id="modload.h"><p>
+
+<itemize>
+<item><ref id="mod_load" name="mod_load">
+<item><ref id="mod_free" name="mod_free">
+</itemize>
+
+
+<sect1><tt/mouse.h/<label id="mouse.h"><p>
+
+<!-- <itemize> -->
+<!-- <item><ref id="mouse_load_driver" name="mouse_load_driver"> -->
+<!-- <item><ref id="mouse_unload" name="mouse_unload"> -->
+<!-- <item><ref id="mouse_install" name="mouse_install"> -->
+<!-- <item><ref id="mouse_uninstall" name="mouse_uninstall"> -->
+<!-- <item><ref id="mouse_hide" name="mouse_hide"> -->
+<!-- <item><ref id="mouse_show" name="mouse_show"> -->
+<!-- <item><ref id="mouse_box" name="mouse_box"> -->
+<!-- <item><ref id="mouse_move" name="mouse_move"> -->
+<!-- <item><ref id="mouse_buttons" name="mouse_buttons"> -->
+<!-- <item><ref id="mouse_pos" name="mouse_pos"> -->
+<!-- <item><ref id="mouse_info" name="mouse_info"> -->
+<!-- <item><ref id="mouse_ioctl" name="mouse_ioctl"> -->
+<!-- </itemize> -->
+
+(incomplete)
+
+
+<sect1><tt/nes.h/<label id="nes.h"><p>
+
+(incomplete)
+
+
+<sect1><tt/o65.h/<label id="o65.h"><p>
+
+The <tt/o65.h/ header file contains structure and constant definitions that
+may be used when dealing with files in <htmlurl
+url="http://www.6502.org/users/andre/o65/fileformat.html" name="o65 format">.
+It does not declare any functions.
+
+
+<sect1><tt/peekpoke.h/<label id="peekpoke.h"><p>
+
+<itemize>
+<item><ref id="PEEK" name="PEEK">
+<item><ref id="PEEKW" name="PEEKW">
+<item><ref id="POKE" name="POKE">
+<item><ref id="POKEW" name="POKEW">
+</itemize>
+
+
+<sect1><tt/pet.h/<label id="pet.h"><p>
+
+(incomplete)
+
+
+<sect1><tt/plus4.h/<label id="plus4.h"><p>
+
+(incomplete)
+
+
+<sect1><tt/serial.h/<label id="serial.h"><p>
+
+<!--
+<itemize>
+<item><ref id="ser_load_driver" name="ser_load_driver">
+<item><ref id="ser_unload" name="ser_unload">
+<item><ref id="ser_install" name="ser_install">
+<item><ref id="ser_uninstall" name="ser_uninstall">
+<item><ref id="ser_open" name="ser_open">
+<item><ref id="ser_close" name="ser_close">
+<item><ref id="ser_get" name="ser_get">
+<item><ref id="ser_put" name="ser_put">
+<item><ref id="ser_status" name="ser_status">
+<item><ref id="ser_ioctl" name="ser_ioctl">
+</itemize>
+-->
+
+(incomplete)
+
+
+<sect1><tt/setjmp.h/<label id="setjmp.h"><p>
+
+<itemize>
+<item><ref id="setjmp" name="setjmp">
+<item><ref id="longjmp" name="longjmp">
+</itemize>
+
+
<sect1><tt/signal.h/<label id="signal.h"><p>
<itemize>
</itemize>
+<sect1><tt/stdarg.h/<label id="stdarg.h"><p>
+
+(incomplete)
+
+
+<sect1><tt/stdbool.h/<label id="stdbool.h"><p>
+
+(incomplete)
+
+
+<sect1><tt/stddef.h/<label id="stddef.h"><p>
+
+<itemize>
+<item><ref id="offsetof" name="offsetof">
+</itemize>
+
+
+<sect1><tt/stdio.h/<label id="stdio.h"><p>
+
+<itemize>
+<item><ref id="clearerr" name="clearerr">
+<!-- <item><ref id="fclose" name="fclose"> -->
+<!-- <item><ref id="fdopen" name="fdopen"> -->
+<item><ref id="feof" name="feof">
+<item><ref id="ferror" name="ferror">
+<!-- <item><ref id="fflush" name="fflush"> -->
+<!-- <item><ref id="fgetc" name="fgetc"> -->
+<!-- <item><ref id="fgetpos" name="fgetpos"> -->
+<!-- <item><ref id="fgets" name="fgets"> -->
+<item><ref id="fileno" name="fileno">
+<!-- <item><ref id="flushall" name="flushall"> -->
+<!-- <item><ref id="fopen" name="fopen"> -->
+<!-- <item><ref id="fprintf" name="fprintf"> -->
+<!-- <item><ref id="fputc" name="fputc"> -->
+<!-- <item><ref id="fputs" name="fputs"> -->
+<!-- <item><ref id="fread" name="fread"> -->
+<!-- <item><ref id="freopen" name="freopen"> -->
+<!-- <item><ref id="fscanf" name="fscanf"> -->
+<!-- <item><ref id="fseek" name="fseek"> -->
+<!-- <item><ref id="fsetpos" name="fsetpos"> -->
+<!-- <item><ref id="ftell" name="ftell"> -->
+<!-- <item><ref id="fwrite" name="fwrite"> -->
+<!-- <item><ref id="getc" name="getc"> -->
+<!-- <item><ref id="getchar" name="getchar"> -->
+<!-- <item><ref id="gets" name="gets"> -->
+<!-- <item><ref id="printf" name="printf"> -->
+<!-- <item><ref id="putc" name="putc"> -->
+<!-- <item><ref id="putchar" name="putchar"> -->
+<!-- <item><ref id="puts" name="puts"> -->
+<!-- <item><ref id="rename" name="rename"> -->
+<!-- <item><ref id="rewind" name="rewind"> -->
+<!-- <item><ref id="scanf" name="scanf"> -->
+<!-- <item><ref id="sprintf" name="sprintf"> -->
+<!-- <item><ref id="sscanf" name="sscanf"> -->
+<!-- <item><ref id="vfprintf" name="vfprintf"> -->
+<!-- <item><ref id="vfscanf" name="vfscanf"> -->
+<!-- <item><ref id="vprintf" name="vprintf"> -->
+<!-- <item><ref id="vscanf" name="vscanf"> -->
+<!-- <item><ref id="vsprintf" name="vsprintf"> -->
+<!-- <item><ref id="vsscanf" name="vsscanf"> -->
+</itemize>
+
+(incomplete)
+
+
<sect1><tt/stdlib.h/<label id="stdlib.h"><p>
<itemize>
<item><ref id="_heapadd" name="_heapadd">
+<item><ref id="_heapblocksize" name="_heapblocksize">
<item><ref id="_heapmaxavail" name="_heapmaxavail">
<item><ref id="_heapmemavail" name="_heapmemavail">
+<item><ref id="_poserror" name="_poserror">
<item><ref id="_randomize" name="_randomize">
-<!-- <item><ref id="_swap" name="_swap"> -->
+<item><ref id="_swap" name="_swap">
<item><ref id="abort" name="abort">
<item><ref id="abs" name="abs">
<item><ref id="atexit" name="atexit">
-<!-- <item><ref id="atoi" name="atoi"> -->
-<!-- <item><ref id="atol" name="atol"> -->
-<!-- <item><ref id="bsearch" name="bsearch"> -->
+<item><ref id="atoi" name="atoi">
+<item><ref id="atol" name="atol">
+<item><ref id="bsearch" name="bsearch">
<item><ref id="calloc" name="calloc">
-<!-- <item><ref id="div" name="div"> -->
+<item><ref id="div" name="div">
<item><ref id="exit" name="exit">
<item><ref id="free" name="free">
-<!-- <item><ref id="getenv" name="getenv"> -->
-<!-- <item><ref id="itoa" name="itoa"> -->
+<item><ref id="getenv" name="getenv">
+<item><ref id="itoa" name="itoa">
<item><ref id="labs" name="labs">
-<!-- <item><ref id="ltoa" name="ltoa"> -->
+<item><ref id="ltoa" name="ltoa">
<item><ref id="malloc" name="malloc">
-<!-- <item><ref id="qsort" name="qsort"> -->
+<item><ref id="perror" name="perror">
+<item><ref id="qsort" name="qsort">
<item><ref id="rand" name="rand">
<item><ref id="realloc" name="realloc">
+<item><ref id="remove" name="remove">
<item><ref id="srand" name="srand">
-<!-- <item><ref id="ultoa" name="ultoa"> -->
-<!-- <item><ref id="utoa" name="utoa"> -->
+<item><ref id="ultoa" name="ultoa">
+<item><ref id="utoa" name="utoa">
</itemize>
<sect1><tt/string.h/<label id="string.h"><p>
<itemize>
-<!-- <item><ref id="_stroserror" name="_stroserror"> -->
-<!-- <item><ref id="bzero" name="bzero"> -->
-<!-- <item><ref id="memchr" name="memchr"> -->
-<!-- <item><ref id="memcpy" name="memcpy"> -->
-<!-- <item><ref id="memmove" name="memmove"> -->
-<!-- <item><ref id="memset" name="memset"> -->
-<!-- <item><ref id="strcasecmp" name="strcasecmp"> -->
+<item><ref id="_stroserror" name="_stroserror">
+<item><ref id="bzero" name="bzero">
+<item><ref id="memchr" name="memchr">
+<item><ref id="memcpy" name="memcpy">
+<item><ref id="memmove" name="memmove">
+<item><ref id="memset" name="memset">
+<item><ref id="strcasecmp" name="strcasecmp">
<item><ref id="strcat" name="strcat">
<item><ref id="strchr" name="strchr">
-<!-- <item><ref id="strcmp" name="strcmp"> -->
-<!-- <item><ref id="strcoll" name="strcoll"> -->
+<item><ref id="strcmp" name="strcmp">
+<item><ref id="strcoll" name="strcoll">
<item><ref id="strcpy" name="strcpy">
-<!-- <item><ref id="strcspn" name="strcspn"> -->
-<!-- <item><ref id="strdup" name="strdup"> -->
-<!-- <item><ref id="strerror" name="strerror"> -->
-<!-- <item><ref id="stricmp" name="stricmp"> -->
+<item><ref id="strcspn" name="strcspn">
+<item><ref id="strdup" name="strdup">
+<item><ref id="strerror" name="strerror">
+<item><ref id="stricmp" name="stricmp">
<item><ref id="strlen" name="strlen">
<item><ref id="strlower" name="strlower">
<item><ref id="strlwr" name="strlwr">
-<!-- <item><ref id="strncat" name="strncat"> -->
-<!-- <item><ref id="strncmp" name="strncmp"> -->
+<item><ref id="strncat" name="strncat">
+<item><ref id="strncmp" name="strncmp">
<item><ref id="strncpy" name="strncpy">
<item><ref id="strrchr" name="strrchr">
-<!-- <item><ref id="strspn" name="strspn"> -->
-<!-- <item><ref id="strstr" name="strstr"> -->
+<item><ref id="strspn" name="strspn">
+<item><ref id="strstr" name="strstr">
<!-- <item><ref id="strtok" name="strtok"> -->
<!-- <item><ref id="strxfrm" name="strxfrm"> -->
<item><ref id="strupper" name="strupper">
<item><ref id="strupr" name="strupr">
</itemize>
+(incomplete)
+
+
+<sect1><tt/tgi.h/<label id="tgi.h"><p>
+
+(incomplete)
+
+
+<sect1><tt/time.h/<label id="time.h"><p>
+
+<itemize>
+<!-- <item><ref id="_systime" name="_systime"> -->
+<!-- <item><ref id="asctime" name="asctime"> -->
+<!-- <item><ref id="clock" name="clock"> -->
+<!-- <item><ref id="ctime" name="ctime"> -->
+<!-- <item><ref id="gmtime" name="gmtime"> -->
+<!-- <item><ref id="localtime" name="localtime"> -->
+<!-- <item><ref id="mktime" name="mktime"> -->
+<!-- <item><ref id="strftime" name="strftime"> -->
+<item><ref id="time" name="time">
+</itemize>
+
+(incomplete)
+<sect1><tt/unistd.h/<label id="unistd.h"><p>
+
+<itemize>
+<!-- <item><ref id="chdir" name="chdir"> -->
+<!-- <item><ref id="getcwd" name="getcwd"> -->
+<!-- <item><ref id="lseek" name="lseek"> -->
+<!-- <item><ref id="mkdir" name="mkdir"> -->
+<!-- <item><ref id="read" name="read"> -->
+<!-- <item><ref id="rmdir" name="rmdir"> -->
+<item><ref id="sleep" name="sleep">
+<item><ref id="unlink" name="unlink">
+<!-- <item><ref id="write" name="write"> -->
+</itemize>
+
+(incomplete)
+
+
+<sect1><tt/vic20.h/<label id="vic20.h"><p>
+
+(incomplete)
+
+
+<sect1><tt/zlib.h/<label id="zlib.h"><p>
+
+(incomplete)
+
<sect>Alphabetical function reference<p>
<tag/Limits/
<itemize>
<item>The minimum blocksize that can be added is 6 bytes; the function will
-ignore blocks with smaller sizes.
+ignore smaller blocks.
+</itemize>
+<tag/Availability/cc65
+<tag/See also/
+<ref id="_heapblocksize" name="_heapblocksize">,
+<ref id="_heapmaxavail" name="_heapmaxavail">,
+<ref id="_heapmemavail" name="_heapmemavail">,
+<ref id="calloc" name="calloc">,
+<ref id="free" name="free">,
+<ref id="malloc" name="malloc">,
+<ref id="realloc" name="realloc">
+<tag/Example/None.
+</descrip>
+</quote>
+
+
+<sect1>_heapblocksize<label id="_heapblocksize"><p>
+
+<quote>
+<descrip>
+<tag/Function/Return the size of an allocated block.
+<tag/Header/<tt/<ref id="stdlib.h" name="stdlib.h">/
+<tag/Declaration/<tt/size_t __fastcall__ _heapblocksize (const void* block);/
+<tag/Description/The function returns the size of a block that must have
+previously been allocated by <tt/<ref id="malloc" name="malloc">/, <tt/<ref
+id="calloc" name="calloc">/ or <tt/<ref id="realloc" name="realloc">/.
+<tag/Limits/
+<itemize>
+<item>Passing a pointer to a block that was is not the result of one of the
+allocation functions, or that has been free'd will give unpredicable results.
</itemize>
<tag/Availability/cc65
<tag/See also/
+<ref id="_heapadd" name="_heapadd">,
<ref id="_heapmaxavail" name="_heapmaxavail">,
<ref id="_heapmemavail" name="_heapmemavail">,
<ref id="calloc" name="calloc">,
<tag/Availability/cc65
<tag/See also/
<ref id="_heapadd" name="_heapadd">,
+<ref id="_heapblocksize" name="_heapblocksize">,
<ref id="_heapmemavail" name="_heapmemavail">,
<ref id="calloc" name="calloc">,
<ref id="free" name="free">,
<tag/Availability/cc65
<tag/See also/
<ref id="_heapadd" name="_heapadd">,
+<ref id="_heapblocksize" name="_heapblocksize">,
<ref id="_heapmaxavail" name="_heapmaxavail">,
<ref id="calloc" name="calloc">,
<ref id="free" name="free">,
</quote>
+<sect1>_poserror<label id="_poserror"><p>
+
+<quote>
+<descrip>
+<tag/Function/Print an error message for the error in <tt/_oserrno/.
+<tag/Header/<tt/<ref id="stdio.h" name="stdio.h">/
+<tag/Declaration/<tt/void __fastcall__ _poserror (const char* msg);/
+<tag/Description/<tt/_poserror/ prints an error message to <tt/stderr/. If
+<tt/msg/ is not <tt/NULL/ and not an empty string, it is printed followed by
+a colon and a blank. Then the error message for the current contents of
+<tt/_oserrno/ are printed followed by a newline. The message output is the
+same as returned by <tt/<ref id="_stroserror" name="_stroserror">/ with an
+argument of <tt/_oserrno/.
+<tag/Limits/
+<itemize>
+<item>Since operating system specific error code are - you guessed it -
+operating system specific, the value in <tt/_oserror/ and the message that is
+printed depend on the cc65 target.
+<item>The function is only available as fastcall function, so it may only
+be used in presence of a prototype.
+</itemize>
+<tag/Availability/cc65
+<tag/See also/
+<ref id="_stroserror" name="_stroserror">,
+<ref id="perror" name="perror">
+<tag/Example/None.
+</descrip>
+</quote>
+
+
<sect1>_randomize<label id="_randomize"><p>
<quote>
</quote>
+<sect1>_stroserror<label id="_stroserror"><p>
+
+<quote>
+<descrip>
+<tag/Function/Return a string describing an OS specific error code.
+<tag/Header/<tt/<ref id="string.h" name="string.h">/
+<tag/Declaration/<tt/const char* __fastcall__ _stroserror (unsigned char errcode);/
+<tag/Description/<tt/_stroserror/ will return a string describing the given
+operating system specific error code.
+<tag/Limits/<itemize>
+<item>Since operating system specific error code are - you guessed it -
+operating system specific, the parameter and the string returned depend on the
+cc65 target.
+<item>The function is only available as fastcall function, so it may only be
+used in presence of a prototype.
+</itemize>
+<tag/Availability/cc65
+<tag/See also/
+<ref id="strerror" name="strerror">
+<tag/Example/None.
+</descrip>
+</quote>
+
+
+<sect1>_swap<label id="_swap"><p>
+
+<quote>
+<descrip>
+<tag/Function/Swap the contents of memory areas.
+<tag/Header/<tt/<ref id="stdlib.h" name="stdlib.h">/
+<tag/Declaration/<tt/void __fastcall__ _swap (void* p, void* q, size_t size);/
+<tag/Description/<tt/_swap/ will swap (exchange) the contents of the two memory
+areas pointed to by <tt/p/ and <tt/q/. Both memory areas are assumed to be
+<tt/size/ bytes in size.
+<tag/Limits/<itemize>
+<item>The memory areas may not overlap, otherwise the results are undefined.
+<item>The function is only available as fastcall function, so it may only be
+used in presence of a prototype.
+</itemize>
+<tag/Availability/cc65
+<tag/See also/
+<ref id="memcpy" name="memcpy">,
+<ref id="memmove" name="memmove">
+<tag/Example/None.
+</descrip>
+</quote>
+
+
<sect1>_sys<label id="_sys"><p>
<quote>
</quote>
+<sect1>PEEK<label id="PEEK"><p>
+
+<quote>
+<descrip>
+<tag/Function/Read a byte from memory.
+<tag/Header/<tt/<ref id="peekpoke.h" name="peekpoke.h">/
+<tag/Declaration/<tt/unsigned char PEEK (unsigned addr);/
+<tag/Description/The function will read the absolute memory given by <tt/addr/
+and return the value read.
+<tag/Limits/<itemize>
+<item>The function is actually a macro.
+<item>This function depends highly on the platform and environment.
+</itemize>
+<tag/Availability/cc65
+<tag/See also/
+<ref id="PEEKW" name="PEEKW">,
+<ref id="POKE" name="POKE">
+<tag/Example/None.
+</descrip>
+</quote>
+
+
+<sect1>PEEKW<label id="PEEKW"><p>
+
+<quote>
+<descrip>
+<tag/Function/Read a word (two bytes) from memory.
+<tag/Header/<tt/<ref id="peekpoke.h" name="peekpoke.h">/
+<tag/Declaration/<tt/unsigned PEEKW (unsigned addr);/
+<tag/Description/The function will read the absolute memory given by <tt/addr/
+and return the value read. The byte read from the higher address is the high
+byte of the return value.
+<tag/Limits/<itemize>
+<item>The function is actually a macro.
+<item>This function depends highly on the platform and environment.
+<item>The order in which the two bytes are read is unspecified and may
+depend of the address expression used.
+</itemize>
+<tag/Availability/cc65
+<tag/See also/
+<ref id="PEEK" name="PEEK">,
+<ref id="POKE" name="POKE">
+<tag/Example/None.
+</descrip>
+</quote>
+
+
+<sect1>POKE<label id="POKE"><p>
+
+<quote>
+<descrip>
+<tag/Function/Write a byte to memory.
+<tag/Header/<tt/<ref id="peekpoke.h" name="peekpoke.h">/
+<tag/Declaration/<tt/void POKE (unsigned addr, unsigned char val);/
+<tag/Description/The function writes the value <tt/val/ to the absolute
+memory address given by <tt/addr/.
+<tag/Limits/<itemize>
+<item>The function is actually a macro.
+<item>This function depends highly on the platform and environment.
+<item>Careless use will cause the program to act strange or may crash the
+machine.
+</itemize>
+<tag/Availability/cc65
+<tag/See also/
+<ref id="PEEK" name="PEEK">,
+<ref id="POKEW" name="POKEW">
+<tag/Example/None.
+</descrip>
+</quote>
+
+
+<sect1>POKEW<label id="POKEW"><p>
+
+<quote>
+<descrip>
+<tag/Function/Write a word (two bytes) to memory.
+<tag/Header/<tt/<ref id="peekpoke.h" name="peekpoke.h">/
+<tag/Declaration/<tt/void POKEW (unsigned addr, unsigned val);/
+<tag/Description/The function writes the value <tt/val/ to the absolute
+memory address given by <tt/addr/. The low byte of <tt/val/ is written to
+the <tt/addr/, the high byte is written to <tt/addr+1/.
+<tag/Limits/<itemize>
+<item>The function is actually a macro.
+<item>This function depends highly on the platform and environment.
+<item>Careless use will cause the program to act strange or may crash the
+machine.
+<item>The order in which the two bytes are written is unspecified and may
+depend of the address expression used.
+</itemize>
+<tag/Availability/cc65
+<tag/See also/
+<ref id="PEEK" name="PEEK">,
+<ref id="POKE" name="POKE">
+<tag/Example/None.
+</descrip>
+</quote>
+
+
<sect1>SEI<label id="SEI"><p>
<quote>
</quote>
-<sect1>
bgcolor<label id="bgcolor"><p>
+<sect1>
atoi<label id="atoi"><p>
<quote>
<descrip>
-<tag/Function/Set the background text color.
-<tag/Header/<tt/<ref id="conio.h" name="conio.h">/
-<tag/Declaration/<tt/unsigned char __fastcall__ bgcolor (unsigned char color);/
-<tag/Description/The function will set a new background text color. It returns
-the old (current) background color.
+<tag/Function/Convert a string to an integer.
+<tag/Header/<tt/<ref id="stdlib.h" name="stdlib.h">/
+<tag/Declaration/<tt/int __fastcall__ atoi (const char* s);/
+<tag/Description/<tt/atoi/ converts the given string into an integer.
+Conversion stops as soon as any invalid character is encountered.
<tag/Limits/<itemize>
-<item>Background colors are system dependent. The function may have no effect
-on systems where the background color cannot be changed.
+<item>There is no way to detect any conversion errors.
+<item>The function does not check for an numerical overflow when converting.
<item>The function is only available as fastcall function, so it may only be
used in presence of a prototype.
</itemize>
-<tag/Availability/cc65
+<tag/Availability/ISO 9899
<tag/See also/
-<ref id="bordercolor" name="bordercolor">,
-<ref id="textcolor" name="textcolor">
+<ref id="atol" name="atol">,
+<ref id="itoa" name="itoa">,
+<ref id="ltoa" name="ltoa">,
+<ref id="ultoa" name="ultoa">,
+<ref id="utoa" name="utoa">
<tag/Example/None.
</descrip>
</quote>
-<sect1>
bordercolor<label id="bordercolor"><p>
+<sect1>
atol<label id="atol"><p>
<quote>
<descrip>
-<tag/Function/Set the border (frame) color.
-<tag/Header/<tt/<ref id="conio.h" name="conio.h">/
-<tag/Declaration/<tt/unsigned char __fastcall__ bordercolor (unsigned char color);/
+<tag/Function/Convert a string to a long integer.
+<tag/Header/<tt/<ref id="stdlib.h" name="stdlib.h">/
+<tag/Declaration/<tt/long __fastcall__ atol (const char* s);/
+<tag/Description/<tt/atol/ converts the given string into a long integer.
+Conversion stops as soon as any invalid character is encountered.
+<tag/Limits/<itemize>
+<item>There is no way to detect any conversion errors.
+<item>The function does not check for an numerical overflow when converting.
+<item>The function is only available as fastcall function, so it may only be
+used in presence of a prototype.
+</itemize>
+<tag/Availability/ISO 9899
+<tag/See also/
+<ref id="atoi" name="atoi">,
+<ref id="itoa" name="itoa">,
+<ref id="ltoa" name="ltoa">,
+<ref id="ultoa" name="ultoa">,
+<ref id="utoa" name="utoa">
+<tag/Example/None.
+</descrip>
+</quote>
+
+
+<sect1>bgcolor<label id="bgcolor"><p>
+
+<quote>
+<descrip>
+<tag/Function/Set the background text color.
+<tag/Header/<tt/<ref id="conio.h" name="conio.h">/
+<tag/Declaration/<tt/unsigned char __fastcall__ bgcolor (unsigned char color);/
+<tag/Description/The function will set a new background color and return the
+old (current) one. The background color is valid for the whole text output
+area of the screen, not just for new text.
+<tag/Limits/<itemize>
+<item>Background colors are system dependent. The function may have no effect
+on systems where the background color cannot be changed.
+<item>The function is only available as fastcall function, so it may only be
+used in presence of a prototype.
+</itemize>
+<tag/Availability/cc65
+<tag/See also/
+<ref id="bordercolor" name="bordercolor">,
+<ref id="textcolor" name="textcolor">
+<tag/Example/None.
+</descrip>
+</quote>
+
+
+<sect1>bordercolor<label id="bordercolor"><p>
+
+<quote>
+<descrip>
+<tag/Function/Set the border (frame) color.
+<tag/Header/<tt/<ref id="conio.h" name="conio.h">/
+<tag/Declaration/<tt/unsigned char __fastcall__ bordercolor (unsigned char color);/
<tag/Description/The function will set a new border color. It returns the old
(current) border color.
<tag/Limits/<itemize>
</quote>
+<sect1>bsearch<label id="bsearch"><p>
+
+<quote>
+<descrip>
+<tag/Function/Do a binary search in a sorted array.
+<tag/Header/<tt/<ref id="stdlib.h" name="stdlib.h">/
+<tag/Declaration/<tt/void* __fastcall__ bsearch (const void* key,
+const void* base, size_t n, size_t size,
+int (*cmp) (const void*, const void*));/
+<tag/Description/<tt/bsearch/ searches a sorted array for a member that
+matches the one pointed to by <tt/key/. <tt/base/ is the address of the array,
+<tt/n/ is the number of elements, <tt/size/ the size of an element and <tt/cmp/
+the function used to compare the members against the key. The function returns
+a pointer to the member found, or <tt/NULL/ if there was no match.
+<tag/Limits/
+<itemize>
+<item>The contents of the array must be sorted in ascending order according to
+the compare function given.
+<item>If there are multiple members that match the key, the function will
+return one of the members.
+<item>The function is only available as fastcall function, so it may only
+be used in presence of a prototype.
+</itemize>
+<tag/Availability/ISO 9899
+<tag/See also/
+<ref id="qsort" name="qsort">
+<tag/Example/None.
+</descrip>
+</quote>
+
+
+<sect1>bzero<label id="bzero"><p>
+
+<quote>
+<descrip>
+<tag/Function/Fill a memory area with zeroes.
+<tag/Header/<tt/<ref id="string.h" name="string.h">/
+<tag/Declaration/<tt/void __fastcall__ bzero (void* p, size_t count);/
+<tag/Description/<tt/bzero/ fills the memory area pointed to by <tt/p/ with
+zero.
+<tag/Limits/
+<itemize>
+<item>The function is non standard and therefore only available in non ANSI
+mode. You should use <tt/<ref id="memset" name="memset">/ instead.
+<item>The function is only available as fastcall function, so it may only
+be used in presence of a prototype.
+</itemize>
+<tag/Availability/cc65
+<tag/See also/
+<ref id="_swap" name="_swap">,
+<ref id="memcpy" name="memcpy">,
+<ref id="memmove" name="memmove">,
+<ref id="memset" name="memset">,
+<tag/Example/None.
+</descrip>
+</quote>
+
+
<sect1>c64mode<label id="c64mode"><p>
<quote>
<tag/Availability/ISO 9899
<tag/See also/
<ref id="_heapadd" name="_heapadd">,
+<ref id="_heapblocksize" name="_heapblocksize">,
<ref id="_heapmaxavail" name="_heapmaxavail">,
<ref id="_heapmemavail" name="_heapmemavail">,
<ref id="free" name="free">,
<quote>
<descrip>
-<tag/Function/Clear part of a line (write a given amount of spaces).
+<tag/Function/Clear part of a line (write a given number of spaces).
<tag/Header/<tt/<ref id="conio.h" name="conio.h">/
<tag/Declaration/<tt/void __fastcall__ cclear (unsigned char length);/
<tag/Description/The function clears part of a line by writing <tt/length/
<quote>
<descrip>
-<tag/Function/Clear part of a line (write a given amount of spaces) starting
+<tag/Function/Clear part of a line (write a given number of spaces) starting
at a specific screen position.
<tag/Header/<tt/<ref id="conio.h" name="conio.h">/
-<tag/Declaration/<tt/void __fastcall__ cclearxy (unsigned char length);/
+<tag/Declaration/<tt/void __fastcall__ cclearxy (unsigned char x, unsigned char y, unsigned char length);/
<tag/Description/The function moves the cursor to a specific position, and
will then clear part of the line by writing <tt/length/ spaces in the current
text color.
</quote>
+<sect1>clearerr<label id="clearerr"><p>
+
+<quote>
+<descrip>
+<tag/Function/Clear error and end-of-file status of a stream.
+<tag/Header/<tt/<ref id="stdio.h" name="stdio.h">/
+<tag/Declaration/<tt/void __fastcall__ clearerr (FILE* f);/
+<tag/Description/<tt/clearerr/ clears the error and end-of-file status
+indicators for the stream <tt/f/.
+<tag/Limits/<itemize>
+<item>The function is only available as fastcall function, so it may only be
+used in presence of a prototype.
+</itemize>
+<tag/Availability/ISO 9899
+<tag/See also/
+<ref id="feof" name="feof">,
+<ref id="ferror" name="ferror">
+<tag/Example/None.
+</descrip>
+</quote>
+
+
<sect1>clrscr<label id="clrscr"><p>
<quote>
</quote>
+<sect1>close<label id="close"><p>
+
+<quote>
+<descrip>
+<tag/Function/Close a file descriptor.
+<tag/Header/<tt/<ref id="fcntl.h" name="fcntl.h">/
+<tag/Declaration/<tt/int __fastcall__ close (int fd);/
+<tag/Description/The function closes the given file descriptor. It returns zero
+on success and -1 on error. If an error occurs, the cause can be determined by
+reading the <tt/errno/ variable.
+<tag/Limits/<itemize>
+<item>The function is only available as fastcall function, so it may only
+be used in presence of a prototype.
+</itemize>
+<tag/Availability/POSIX 1003.1
+<tag/See also/
+<ref id="creat" name="creat">,
+<ref id="open" name="open">
+<tag/Example/None.
+</descrip>
+</quote>
+
+
+<sect1>creat<label id="creat"><p>
+
+<quote>
+<descrip>
+<tag/Function/Create a file.
+<tag/Header/<tt/<ref id="fcntl.h" name="fcntl.h">/
+<tag/Declaration/<tt/int __fastcall__ creat (const char* name, unsigned mode);/
+<tag/Description/<tt/creat/ creates a new file and returns the file descriptor
+associated with it. On error, -1 is returned and an error code is stored in
+<tt/errno/.
+<tag/Limits/<itemize>
+<item><tt/creat/ is identical to calling <tt/<ref id="open" name="open">/ with
+<tt/flags/ equal to <tt/O_WRONLY | O_CREAT | O_TRUNC/.
+<item>The function is only available as fastcall function, so it may only
+be used in presence of a prototype.
+</itemize>
+<tag/Availability/POSIX 1003.1
+<tag/See also/
+<ref id="close" name="close">,
+<ref id="open" name="open">
+<tag/Example/None.
+</descrip>
+</quote>
+
+
+<sect1>cprintf<label id="cprintf"><p>
+
+<quote>
+<descrip>
+<tag/Function/Formatted output to the console.
+<tag/Header/<tt/<ref id="conio.h" name="conio.h">/
+<tag/Declaration/<tt/int cprintf (const char* format, ...);/
+<tag/Description/The arguments are converted to text where necessary and
+formatted according to the format string given. The resulting string is output
+to the console. <tt/cprintf/ supports the same format specifiers as
+<tt/printf/. <!-- <tt/<ref id="printf" name="printf">/. -->
+<tag/Limits/<itemize>
+<item>Like all other <tt/conio/ output functions, <tt/cprintf/ distinguishes
+between <tt/\r/ and <tt/\n/.
+</itemize>
+<tag/Availability/cc65
+<tag/See also/
+<ref id="cputc" name="cputc">,
+<ref id="cputcxy" name="cputcxy">,
+<ref id="cputs" name="cputs">,
+<ref id="cputsxy" name="cputsxy">,
+<ref id="vcprintf" name="vcprintf">
+<tag/Example/None.
+</descrip>
+</quote>
+
+
+<sect1>cputc<label id="cputc"><p>
+
+<quote>
+<descrip>
+<tag/Function/Output a character directly to the console.
+<tag/Header/<tt/<ref id="conio.h" name="conio.h">/
+<tag/Declaration/<tt/void __fastcall__ cputc (char c);/
+<tag/Description/Output one character to the console at the current cursor
+position.
+<tag/Limits/<itemize>
+<item>Like all other <tt/conio/ output functions, <tt/cputc/ distinguishes
+between <tt/\r/ and <tt/\n/.
+<item>The function is only available as fastcall function, so it may only
+be used in presence of a prototype.
+</itemize>
+<tag/Availability/cc65
+<tag/See also/
+<ref id="cprintf" name="cprintf">,
+<ref id="cputcxy" name="cputcxy">,
+<ref id="cputs" name="cputs">,
+<ref id="cputsxy" name="cputsxy">,
+<ref id="vcprintf" name="vcprintf">
+<tag/Example/None.
+</descrip>
+</quote>
+
+
+<sect1>cputcxy<label id="cputcxy"><p>
+
+<quote>
+<descrip>
+<tag/Function/Output a character at a specific screen position.
+<tag/Header/<tt/<ref id="conio.h" name="conio.h">/
+<tag/Declaration/<tt/void __fastcall__ cputcxy (unsigned char x, unsigned char y, char c);/
+<tag/Description/<tt/cputcxy/ moves the cursor to the given x/y position on
+the screen and outputs one character.
+<tag/Limits/<itemize>
+<item>Like all other <tt/conio/ output functions, <tt/cputcxy/ distinguishes
+between <tt/\r/ and <tt/\n/.
+<item>The function is only available as fastcall function, so it may only
+be used in presence of a prototype.
+</itemize>
+<tag/Availability/cc65
+<tag/See also/
+<ref id="cprintf" name="cprintf">,
+<ref id="cputc" name="cputc">,
+<ref id="cputs" name="cputs">,
+<ref id="cputsxy" name="cputsxy">,
+<ref id="vcprintf" name="vcprintf">
+<tag/Example/None.
+</descrip>
+</quote>
+
+
+<sect1>cputs<label id="cputs"><p>
+
+<quote>
+<descrip>
+<tag/Function/Output a string directly to the console.
+<tag/Header/<tt/<ref id="conio.h" name="conio.h">/
+<tag/Declaration/<tt/void __fastcall__ cputs (const char* s);/
+<tag/Description/The function outputs the given string on the console at the
+current cursor position.
+<tag/Limits/<itemize>
+<item>Like all other <tt/conio/ output functions, <tt/cputs/ distinguishes
+between <tt/\r/ and <tt/\n/.
+<item>The function is only available as fastcall function, so it may only
+be used in presence of a prototype.
+</itemize>
+<tag/Availability/cc65
+<tag/See also/
+<ref id="cprintf" name="cprintf">,
+<ref id="cputc" name="cputc">,
+<ref id="cputcxy" name="cputcxy">,
+<ref id="cputsxy" name="cputsxy">,
+<ref id="vcprintf" name="vcprintf">
+<tag/Example/None.
+</descrip>
+</quote>
+
+
+<sect1>cputsxy<label id="cputsxy"><p>
+
+<quote>
+<descrip>
+<tag/Function/Output a string to the console at a given position.
+<tag/Header/<tt/<ref id="conio.h" name="conio.h">/
+<tag/Declaration/<tt/void __fastcall__ cputsxy (unsigned char x, unsigned char y, const char* s);/
+<tag/Description/<tt/cputsxy/ moves the cursor to the given x/y position,
+and outputs the string <tt/s/.
+<tag/Limits/<itemize>
+<item>Like all other <tt/conio/ output functions, <tt/cputsxy/ distinguishes
+between <tt/\r/ and <tt/\n/.
+<item>The function is only available as fastcall function, so it may only
+be used in presence of a prototype.
+</itemize>
+<tag/Availability/cc65
+<tag/See also/
+<ref id="cprintf" name="cprintf">,
+<ref id="cputc" name="cputc">,
+<ref id="cputcxy" name="cputcxy">,
+<ref id="cputs" name="cputs">,
+<ref id="vcprintf" name="vcprintf">
+<tag/Example/None.
+</descrip>
+</quote>
+
+
<sect1>cursor<label id="cursor"><p>
<quote>
</quote>
+<sect1>div<label id="div"><p>
+
+<quote>
+<descrip>
+<tag/Function/Divide two ints and return quotient and remainder.
+<tag/Header/<tt/<ref id="stdlib.h" name="stdlib.h">/
+<tag/Declaration/<tt/div_t __fastcall__ div (int numer, int denom);/
+<tag/Description/<tt/div/ divides <tt/numer/ by <tt/denom/ and returns the
+quotient and remainder in a <tt/div_t/ structure.
+<tag/Limits/
+<itemize>
+<item>The function is only available as fastcall function, so it may only
+be used in presence of a prototype.
+</itemize>
+<tag/Availability/ISO 9899
+<tag/See also/
+ldiv
+<tag/Example/None.
+</descrip>
+</quote>
+
+
<sect1>em_commit<label id="em_commit"><p>
<quote>
</quote>
+<sect1>feof<label id="feof"><p>
+
+<quote>
+<descrip>
+<tag/Function/Return the end-of-file indicator of a stream.
+<tag/Header/<tt/<ref id="stdio.h" name="stdio.h">/
+<tag/Declaration/<tt/int __fastcall__ feof (FILE* f);/
+<tag/Description/<tt/feof/ tests the end-of-file indicator ofthe stream
+<tt/f/, and returns a non zero value if it is set.
+<tag/Limits/<itemize>
+<item>The indicator is set only after a read past the end of a file is
+attempted.
+<item>The function is only available as fastcall function, so it may only be
+used in presence of a prototype.
+</itemize>
+<tag/Availability/ISO 9899
+<tag/See also/
+<ref id="feof" name="clearerr">,
+<ref id="ferror" name="ferror">
+<tag/Example/None.
+</descrip>
+</quote>
+
+
+<sect1>ferror<label id="ferror"><p>
+
+<quote>
+<descrip>
+<tag/Function/Return the error indicator of a stream.
+<tag/Header/<tt/<ref id="stdio.h" name="stdio.h">/
+<tag/Declaration/<tt/int __fastcall__ ferror (FILE* f);/
+<tag/Description/<tt/ferror/ tests the error indicator of the stream
+<tt/f/, and returns a non zero value if it is set.
+<tag/Limits/<itemize>
+<item>The function is only available as fastcall function, so it may only be
+used in presence of a prototype.
+</itemize>
+<tag/Availability/ISO 9899
+<tag/See also/
+<ref id="feof" name="clearerr">,
+<ref id="ferror" name="feof">
+<tag/Example/None.
+</descrip>
+</quote>
+
+
+<sect1>fileno<label id="fileno"><p>
+
+<quote>
+<descrip>
+<tag/Function/Return the file handle used by a stream.
+<tag/Header/<tt/<ref id="stdio.h" name="stdio.h">/
+<tag/Declaration/<tt/int __fastcall__ fileno (FILE* f);/
+<tag/Description/The <tt/fileno/ function returns the file handle used
+internally by a C stream. This file handle (an integer) can be used as a
+handle for the POSIX input/output functions.
+<tag/Limits/<itemize>
+<item>The function is only available as fastcall function, so it may only be
+used in presence of a prototype.
+<item>Mixing C file I/O functions and POSIX file I/O functions for the same
+file may have unpredictable results.
+</itemize>
+<tag/Availability/POSIX 1003.1
+<tag/See also/
+<ref id="creat" name="creat">,
+<ref id="open" name="open"> <!-- , -->
+<!-- <ref id="read" name="read">, -->
+<!-- <ref id="write" name="write"> -->
+<tag/Example/None.
+</descrip>
+</quote>
+
+
<sect1>free<label id="free"><p>
<quote>
<tag/Availability/ISO 9899
<tag/See also/
<ref id="_heapadd" name="_heapadd">,
+<ref id="_heapblocksize" name="_heapblocksize">,
<ref id="_heapmaxavail" name="_heapmaxavail">,
<ref id="_heapmemavail" name="_heapmemavail">,
<ref id="calloc" name="calloc">,
</quote>
-<sect1>get
cpu<label id="getcpu"><p>
+<sect1>get
env<label id="getenv"><p>
<quote>
<descrip>
-<tag/Function/Determine on which CPU the program is running.
-<tag/Header/<tt/<ref id="6502.h" name="6502.h">/
-<tag/Declaration/<tt/unsigned char getcpu (void);/
-<tag/Description/The function checks on which CPU the code is running. It
-returns one of the constants<itemize>
-<item><tt/CPU_6502/
-<item><tt/CPU_65C02/
-<item><tt/CPU_65816/
-</itemize>
+<tag/Function/Return a value from the environment.
+<tag/Header/<tt/<ref id="stdlib.h" name="stdlib.h">/
+<tag/Declaration/<tt/char* __fastcall__ getenv (const char* name);/
+<tag/Description/The function searches the environment for an entry that
+matches <tt/name/ and returns its value. The environment consists of a list
+of strings in the form <tt/name=value/. If there is no match, <tt/getenv/
+returns <tt/NULL/.
<tag/Limits/<itemize>
-<item>Other, more exotic CPU types are not disinguished.
-</itemize>
+<item>What exactly is stored in the environment depends on the machine the
+program is running on.
+<item>The function is only available as fastcall function, so it may only
+be used in presence of a prototype.
+</itemize>
+<tag/Availability/ISO 9899
+<tag/Example/None.
+</descrip>
+</quote>
+
+
+<sect1>getcpu<label id="getcpu"><p>
+
+<quote>
+<descrip>
+<tag/Function/Determine on which CPU the program is running.
+<tag/Header/<tt/<ref id="6502.h" name="6502.h">/
+<tag/Declaration/<tt/unsigned char getcpu (void);/
+<tag/Description/The function checks on which CPU the code is running. It
+returns one of the constants<itemize>
+<item><tt/CPU_6502/
+<item><tt/CPU_65C02/
+<item><tt/CPU_65816/
+</itemize>
+<tag/Limits/<itemize>
+<item>Other, more exotic CPU types are not disinguished.
+</itemize>
<tag/Availability/cc65
<tag/Example/None.
</descrip>
<tag/Header/<tt/<ref id="ctype.h" name="ctype.h">/
<tag/Declaration/<tt/int __fastcall__ isblank (int c);/
<tag/Description/The function returns a value of zero if the given argument
-is a blank or space character. The return value is non zero if the character
+is a space or tab character. The return value is non zero if the character
is anything else.
<tag/Limits/<itemize>
<item>When compiling with <tt/-Os/ the function is actually a macro. The
</quote>
+<sect1>itoa<label id="itoa"><p>
+
+<quote>
+<descrip>
+<tag/Function/Convert an integer into a string.
+<tag/Header/<tt/<ref id="stdlib.h" name="stdlib.h">/
+<tag/Declaration/<tt/char* __fastcall__ itoa (int val, char* buf, int radix);/
+<tag/Description/<tt/itoa/ converts the integer <tt/val/ into a string using
+<tt/radix/ as the base.
+<tag/Limits/<itemize>
+<item>There are no provisions to prevent a buffer overflow.
+<item>If <tt/val/ contains <tt/INT_MIN/, the behaviour is undefined.
+<item>The function is non standard, so it is not available in strict ANSI mode.
+You should probably use <tt/sprintf/ instead.
+<item>The function is only available as fastcall function, so it may only be
+used in presence of a prototype.
+</itemize>
+<tag/Availability/cc65
+<tag/See also/
+<ref id="atoi" name="atoi">,
+<ref id="atol" name="atol">,
+<ref id="ltoa" name="ltoa">,
+<ref id="ultoa" name="ultoa">,
+<ref id="utoa" name="utoa">
+<tag/Example/None.
+</descrip>
+</quote>
+
+
<sect1>kbhit<label id="kbhit"><p>
<quote>
</quote>
-<sect1>
malloc<label id="malloc"><p>
+<sect1>
ltoa<label id="ltoa"><p>
<quote>
<descrip>
-<tag/Function/Allocate dynamic memory.
+<tag/Function/Convert a long integer into a string.
<tag/Header/<tt/<ref id="stdlib.h" name="stdlib.h">/
-<tag/Declaration/<tt/void* __fastcall__ malloc (size_t size);/
-<tag/Description/<tt/malloc/ allocates size bytes on the heap and returns a
-pointer to the allocated memory block. On error (not enough memory available),
-<tt/malloc/ returns <tt/NULL/.
-<tag/Limits/
-<itemize>
-<item>The function is only available as fastcall function, so it may only
-be used in presence of a prototype.
+<tag/Declaration/<tt/char* __fastcall__ ltoa (long val, char* buf, int radix);/
+<tag/Description/<tt/itoa/ converts the long integer <tt/val/ into a string
+using <tt/radix/ as the base.
+<tag/Limits/<itemize>
+<item>There are no provisions to prevent a buffer overflow.
+<item>If <tt/val/ contains <tt/LONG_MIN/, the behaviour is undefined.
+<item>The function is non standard, so it is not available in strict ANSI mode.
+You should probably use <tt/sprintf/ instead.
+<item>The function is only available as fastcall function, so it may only be
+used in presence of a prototype.
</itemize>
-<tag/Availability/ISO 9899
+<tag/Availability/cc65
<tag/See also/
-<ref id="_heapadd" name="_heapadd">,
-<ref id="_heapmaxavail" name="_heapmaxavail">,
-<ref id="_heapmemavail" name="_heapmemavail">,
-<ref id="calloc" name="calloc">,
-<ref id="free" name="free">,
-<ref id="realloc" name="realloc">
+<ref id="atoi" name="atoi">,
+<ref id="atol" name="atol">,
+<ref id="itoa" name="itoa">,
+<ref id="ultoa" name="ultoa">,
+<ref id="utoa" name="utoa">
<tag/Example/None.
</descrip>
</quote>
-<sect1>
raise<label id="raise"><p>
+<sect1>
localeconv<label id="localeconv"><p>
<quote>
<descrip>
-<tag/Function/Send a signal to the executing program.
-<tag/Header/<tt/<ref id="signal.h" name="signal.h">/
-<tag/Declaration/<tt/int __fastcall__ raise (int sig);/
-<tag/Description/<tt/raise/ sends the given signal to the program. If the
-program has installed a signal handler for the signal, this signal handler
-will be executed. If no handler has been installed, the default action for
-the raised signal will be taken. The function returns zero on success,
-nonzero otherwise.
+<tag/Function/Returns a pointer to the current locale structure.
+<tag/Header/<tt/<ref id="locale.h" name="locale.h">/
+<tag/Declaration/<tt/struct lconv* localeconv (void);/
+<tag/Description/<tt/localeconv/ returns a pointer to the current locale
+structure.
<tag/Limits/<itemize>
-<item>The function is only available as fastcall function, so it may only
-be used in presence of a prototype.
+<item>cc65 supports only the "C" locale, so even after setting a new locale
+using <tt/<ref id="setlocale" name="setlocale">/, the structure returned will
+always be the same.
</itemize>
<tag/Availability/ISO 9899
<tag/See also/
-<ref id="abort" name="abort">,
-<ref id="signal" name="signal">
+<ref id="setlocale" name="setlocale">
<tag/Example/None.
</descrip>
</quote>
-<sect1>
rand<label id="rand"><p>
+<sect1>
longjmp<label id="longjmp"><p>
<quote>
<descrip>
-<tag/Function/Return a pseudo random number.
-<tag/Header/<tt/<ref id="stdlib.h" name="stdlib.h">/
-<tag/Declaration/<tt/int rand (void);/
-<tag/Description/The function returns a pseudo random number
-between 0 and <tt/RAND_MAX/ (exclusive).
-<tag/Limits/<itemize>
-<item>Without using <tt><ref id="srand" name="srand"></tt>, always the same
-flow of numbers is generated.
-<item>On startup, the function behaves as if <ref id="srand" name="srand">
-had been used with an argument of 1.
+<tag/Function/Non local goto.
+<tag/Header/<tt/<ref id="setjmp.h" name="setjmp.h">/
+<tag/Declaration/<tt/void __fastcall__ longjmp (jmp_buf buf, int retval);/
+<tag/Description/The <tt/longjmp/ function restores a program context from the
+data in <tt/buf/, which must have been set by a preceeding call to
+<tt/<ref id="setjmp" name="setjmp">/. Program execution continues as if the
+call to <tt/<ref id="setjmp" name="setjmp">/ has just returned the value
+<tt/retval/.
+<tag/Limits/
+<itemize>
+<item>If the parameter <tt/retval/ is zero, the function will behave as if it
+was called with a value of one.
+<item>The function is only available as fastcall function, so it may only
+be used in presence of a prototype.
</itemize>
<tag/Availability/ISO 9899
<tag/See also/
-<ref id="_randomize" name="_randomize">,
-<ref id="srand" name="srand">
+<ref id="setjmp" name="setjmp">
<tag/Example/None.
</descrip>
</quote>
-<sect1>
realloc<label id="realloc"><p>
+<sect1>
malloc<label id="malloc"><p>
<quote>
<descrip>
-<tag/Function/Change the size of an allocated memory block.
+<tag/Function/Allocate dynamic memory.
<tag/Header/<tt/<ref id="stdlib.h" name="stdlib.h">/
-<tag/Declaration/<tt/void* __fastcall__ realloc (void* block, size_t size);/
-<tag/Description/<tt/realloc/ changes the size of the memory block pointed to
-by <tt/block/ to <tt/size/ bytes. If <tt/block/ is <tt/NULL/, <tt/realloc/
-behaves as if <tt/malloc/ had been called. If <tt/size/ is zero, <tt/realloc/
-behaves as if <tt/free/ had been called. On error (not enough memory
-available), <tt/realloc/ returns <tt/NULL/.
+<tag/Declaration/<tt/void* __fastcall__ malloc (size_t size);/
+<tag/Description/<tt/malloc/ allocates size bytes on the heap and returns a
+pointer to the allocated memory block. On error (not enough memory available),
+<tt/malloc/ returns <tt/NULL/.
<tag/Limits/
<itemize>
-<item>The part of the memory block that is returned will have its contents
-unchanged.
-<item>This function is somewhat dangerous to use. Be careful to save the
-pointer you're passing somewhere else, otherwise
-<tscreen><verb>
- ptr = realloc (ptr, size);
-</verb></tscreen>
-will loose your only copy of <tt/ptr/ if <tt/realloc/ returns <tt/NULL/.
<item>The function is only available as fastcall function, so it may only
be used in presence of a prototype.
</itemize>
<tag/Availability/ISO 9899
<tag/See also/
<ref id="_heapadd" name="_heapadd">,
+<ref id="_heapblocksize" name="_heapblocksize">,
<ref id="_heapmaxavail" name="_heapmaxavail">,
<ref id="_heapmemavail" name="_heapmemavail">,
<ref id="calloc" name="calloc">,
<ref id="free" name="free">,
-<ref id="realloc" name="realloc">
+<ref id="realloc" name="realloc">,
+<ref id="strdup" name="strdup">
<tag/Example/None.
</descrip>
</quote>
-<sect1>
revers<label id="revers"><p>
+<sect1>
memchr<label id="memchr"><p>
<quote>
<descrip>
-<tag/Function/Control revers character display.
-<tag/Header/<tt/<ref id="conio.h" name="conio.h">/
-<tag/Declaration/<tt/unsigned char __fastcall__ revers (unsigned char onoff);/
-<tag/Description/If the argument is non zero, the function enables reverse
-character display. If the argument is zero, reverse character display is
-switched off. The old value of the setting is returned.
+<tag/Function/Search for a character in a block of raw memory.
+<tag/Header/<tt/<ref id="string.h" name="string.h">/
+<tag/Declaration/<tt/void* __fastcall__ strchr (const void* mem, int c, size_t count);/
+<tag/Description/The <tt/memchr/ function locates the first occurrence of <tt/c/
+(converted to a char) in the block of raw memory string pointed to by <tt/mem/
+that is of size <tt/count/. Upon completion, the function returns a pointer to
+the character found, or a null pointer if the character was not found.
<tag/Limits/<itemize>
-<item>The function may not be supported by the hardware, in which case
-the call is ignored.
<item>The function is only available as fastcall function, so it may only
be used in presence of a prototype.
</itemize>
-<tag/Availability/cc65
+<tag/Availability/ISO 9899
<tag/See also/
-<ref id="textcolor" name="textcolor">
+<ref id="strchr" name="strchr">
<tag/Example/None.
</descrip>
</quote>
-<sect1>
screensize<label id="screensize"><p>
+<sect1>
memcpy<label id="memcpy"><p>
<quote>
<descrip>
-<tag/Function/Return the dimensions of the text mode screen.
-<tag/Header/<tt/<ref id="conio.h" name="conio.h">/
-<tag/Declaration/<tt/void __fastcall__ screensize (unsigned char* x, unsigned char* y);/
-<tag/Description/The function returns the dimensions of the text mode screen.
-<tag/Limits/<itemize>
+<tag/Function/Copy a memory area.
+<tag/Header/<tt/<ref id="string.h" name="string.h">/
+<tag/Declaration/<tt/void* __fastcall__ memcpy (void* dest, const void* src, size_t count);/
+<tag/Description/<tt/memcpy/ copies <tt/count/ bytes from the memory area
+pointed to by <tt/src/ into the memory area pointed to by <tt/dest/. It returns
+<tt/dest/.
+<tag/Limits/
+<itemize>
+<item>The result is undefined if the memory areas do overlap. Use
+<tt/<ref id="memmove" name="memmove">/ to copy overlapping memory areas.
<item>The function is only available as fastcall function, so it may only
be used in presence of a prototype.
</itemize>
-<tag/Availability/cc65
+<tag/Availability/ISO 9899
<tag/See also/
-<ref id="gotox" name="gotox">,
-<ref id="gotoxy" name="gotoxy">,
-<ref id="gotoy" name="gotoy">,
-<ref id="wherex" name="wherex">,
-<ref id="wherey" name="wherey">
+<ref id="_swap" name="_swap">,
+<ref id="memmove" name="memmove">,
+<ref id="memset" name="memset">
<tag/Example/None.
</descrip>
</quote>
-<sect1>
signal<label id="signal"><p>
+<sect1>
memmove<label id="memmove"><p>
<quote>
<descrip>
-<tag/Function/Install a signal handler.
-<tag/Header/<tt/<ref id="signal.h" name="signal.h">/
-<tag/Declaration/<tt/__sigfunc __fastcall__ signal (int sig, __sigfunc func);/
-<tag/Description/<tt/signal/ installs a handler for the given signal. The
-handler may either be a user supplied function, or one of the predefined
-signal handlers <tt/SIG_IGN/ or <tt/SIG_DFL/. The function returns the
-previous value if the signal , or the special function vector SIG_ERR in
-case of an error.
-<tag/Limits/<itemize>
+<tag/Function/Copy a memory area.
+<tag/Header/<tt/<ref id="string.h" name="string.h">/
+<tag/Declaration/<tt/void* __fastcall__ memmove (void* dest, const void* src, size_t count);/
+<tag/Description/<tt/memmove/ copies <tt/count/ bytes from the memory area
+pointed to by <tt/src/ into the memory area pointed to by <tt/dest/. It returns
+<tt/dest/.
+<tag/Limits/
+<itemize>
+<item>While <tt/memmove/ allows the memory areas to overlap, it has some
+additional overhead compared to <tt/<ref id="memcpy" name="memcpy">/.
<item>The function is only available as fastcall function, so it may only
be used in presence of a prototype.
</itemize>
<tag/Availability/ISO 9899
<tag/See also/
-<ref id="abort" name="abort">,
-<ref id="raise" name="raise">
+<ref id="_swap" name="_swap">,
+<ref id="memcpy" name="memcpy">,
+<ref id="memset" name="memset">
<tag/Example/None.
</descrip>
</quote>
-<sect1>
slow<label id="slow"><p>
+<sect1>
memset<label id="memset"><p>
<quote>
<descrip>
-<tag/Function/Switch the C128 into 1MHz mode.
-<tag/Header/<tt/<ref id="c128.h" name="c128.h">/
-<tag/Declaration/<tt/void slow (void);/
-<tag/Description/The function will switch the clock of the C128 to 1MHz. This
-will halve the speed compared to fast mode.
-<tag/Limits/<itemize>
-<item>The function is specific to the C128.
+<tag/Function/Fill a memory area.
+<tag/Header/<tt/<ref id="string.h" name="string.h">/
+<tag/Declaration/<tt/void* __fastcall__ memset (void* p, int val, size_t count);/
+<tag/Description/<tt/memset/ fills the memory area pointed to by <tt/p/ with
+the value <tt/val/. The function returns <tt/p/.
+<tag/Limits/
+<itemize>
+<item>The function is only available as fastcall function, so it may only
+be used in presence of a prototype.
</itemize>
-<tag/Availability/C128
+<tag/Availability/ISO 9899
<tag/See also/
-<ref id="fast" name="fast">,
-<ref id="toggle_videomode" name="toggle_videomode">
+<ref id="_swap" name="_swap">,
+<ref id="bzero" name="bzero">,
+<ref id="memcpy" name="memcpy">,
+<ref id="memmove" name="memmove">
<tag/Example/None.
</descrip>
</quote>
-<sect1>
srand<label id="srand"><p>
+<sect1>
mod_free<label id="mod_free"><p>
<quote>
<descrip>
-<tag/Function/Initialize the pseudo random number generator.
-<tag/Header/<tt/<ref id="stdlib.h" name="stdlib.h">/
-<tag/Declaration/<tt/void __fastcall__ srand (unsigned seed);/
-<tag/Description/The function initializes the random number generator using
-the given seed. On program startup, the generator behaves as if <tt/srand/ has
-been called with an argument of 1.
+<tag/Function/Free a relocatable module.
+<tag/Header/<tt/<ref id="modload.h" name="modload.h">/
+<tag/Declaration/<tt/void __fastcall__ mod_free (void* module);/
+<tag/Description/The function will free a module loaded into memory by use of
+the <tt/<ref id="mod_load" name="mod_load">/ function.
<tag/Limits/<itemize>
-<item>The function is only available as fastcall function, so it may only
-be used in presence of a prototype.
+<item>The pointer passed as parameter is the pointer to the module memory,
+not the pointer to the control structure.
</itemize>
-<tag/Availability/ISO 9899
+<tag/Availability/cc65
<tag/See also/
-<ref id="_randomize" name="_randomize">,
-<ref id="rand" name="rand">
+<ref id="mod_load" name="mod_load">
<tag/Example/None.
</descrip>
</quote>
-<sect1>
strcat<label id="strcat"><p>
+<sect1>
mod_load<label id="mod_load"><p>
<quote>
<descrip>
-<tag/Function/Concatentate two strings.
-<tag/Header/<tt/<ref id="string.h" name="string.h">/
-<tag/Declaration/<tt/char* __fastcall__ strcat (char* s1, const char* s2);/
-<tag/Description/The <tt/strcat/ function appends a copy of the string
-pointed to by s2 (including the terminating null byte) to the end of the
-string pointed to by s1. The initial byte of s2 overwrites the null byte at
-the end of s1.
+<tag/Function/Load a relocatable module.
+<tag/Header/<tt/<ref id="modload.h" name="modload.h">/
+<tag/Declaration/<tt/unsigned char mod_load (struct mod_ctrl* ctrl);/
+<tag/Description/The function will load a code module into memory and relocate
+it. The function will return an error code. If <tt/MLOAD_OK/ is returned, the
+outgoing fields in the passed <tt/mod_ctrl/ struct contain information about
+the module just loaded. Possible error codes are:
+<itemize>
+<item><tt/MLOAD_OK/ - Module load successful
+<item><tt/MLOAD_ERR_READ/ - Read error
+<item><tt/MLOAD_ERR_HDR/ - Header error
+<item><tt/MLOAD_ERR_OS/ - Wrong operating system
+<item><tt/MLOAD_ERR_FMT/ - Data format error
+<item><tt/MLOAD_ERR_MEM/ - Not enough memory
+</itemize>
<tag/Limits/<itemize>
-<item>The function is only available as fastcall function, so it may only
-be used in presence of a prototype.
-<item>If copying takes place between objects that overlap, the behavior
-is undefined.
+<item>The <htmlurl url="ld65.html" name="ld65"> linker is needed to create
+relocatable o65 modules for use with this function.
</itemize>
-<tag/Availability/ISO 9899
+<tag/Availability/cc65
<tag/See also/
-<ref id="strcpy" name="strcpy">
-<ref id="strncpy" name="strncpy">
+<ref id="mod_free" name="mod_free">
<tag/Example/None.
</descrip>
</quote>
-<sect1>
strchr<label id="strchr"><p>
+<sect1>
offsetof<label id="offsetof"><p>
<quote>
<descrip>
-<tag/Function/Search for a character in a string.
-<tag/Header/<tt/<ref id="string.h" name="string.h">/
-<tag/Declaration/<tt/char* __fastcall__ strchr (const char* s, int c);/
-<tag/Description/The <tt/strchr/ function locates the first occurrence of <tt/c/
-(converted to a char) in the string pointed to by <tt/s/. The terminating null
-byte is considered to be part of the string. Upon completion, the function
-returns a pointer to the byte, or a null pointer if the byte was not found.
+<tag/Function/Calculate the offset of a struct or union member.
+<tag/Header/<tt/<ref id="stddef.h" name="stddef.h">/
+<tag/Declaration/<tt/size_t offsetof (type, member);/
+<tag/Description/<tt/offsetof/ calculates the address offset of a <tt/struct/
+or <tt/union/ member.
<tag/Limits/<itemize>
-<item>The function is only available as fastcall function, so it may only
-be used in presence of a prototype.
+<item>The function is actually a macro.
</itemize>
<tag/Availability/ISO 9899
-<tag/See also/
-<ref id="strrchr" name="strrchr">
<tag/Example/None.
</descrip>
</quote>
-<sect1>
strcpy<label id="strcpy"><p>
+<sect1>
open<label id="open"><p>
<quote>
<descrip>
-<tag/Function/Copy a string.
-<tag/Header/<tt/<ref id="string.h" name="string.h">/
-<tag/Declaration/<tt/char* __fastcall__ strcpy (char* s1, const char* s2);/
-<tag/Description/The <tt/strcpy/ function copies the string pointed to by
-<tt/s2/ (including the terminating null byte) into the array pointed to by
-<tt/s1/. The function will always return <tt/s1/.
+<tag/Function/Open and possibly create a file.
+<tag/Header/<tt/<ref id="fcntl.h" name="fcntl.h">/
+<tag/Declaration/<tt/int open (const char* name, int flags, ...);/
+<tag/Description/<tt/open/ opens a file and returns the file descriptor
+associated with it. On error, -1 is returned and an error code is stored in
+<tt/errno/. Several flags may be passed to <tt/open/ that change the behaviour.
<tag/Limits/<itemize>
-<item>The function is only available as fastcall function, so it may only
-be used in presence of a prototype.
-<item>If copying takes place between objects that overlap, the behavior
-is undefined.
+<item>POSIX specifies an additional <tt/mode/ argument that may be passed to
+open, which is used as the permission mask when a new file is created. While
+cc65 allows to pass this argument, it is ignored.
</itemize>
-<tag/Availability/ISO 9899
+<tag/Availability/POSIX 1003.1
<tag/See also/
-<ref id="strcat" name="strcat">
-<ref id="strncpy" name="strncpy">
-<tag/Example/
-<verb>
-#include <string.h>
-
-static char hello[14];
-
-strcpy (hello, "Hello world!\n");
-</verb>
+<ref id="close" name="close">,
+<ref id="creat" name="creat">
+<tag/Example/None.
</descrip>
</quote>
-<sect1>
strlen<label id="strlen"><p>
+<sect1>
perror<label id="perror"><p>
<quote>
<descrip>
-<tag/Function/Return the length of a string.
-<tag/Header/<tt/<ref id="string.h" name="string.h">/
-<tag/Declaration/<tt/size_t __fastcall__ strlen (const char* s);/
-<tag/Description/The <tt/strlen/ function computes the number of bytes in the
-string to which s points, not including the terminating null byte.
-<tag/Limits/<itemize>
+<tag/Function/Print an error message for the error in <tt/errno/.
+<tag/Header/<tt/<ref id="stdio.h" name="stdio.h">/
+<tag/Declaration/<tt/void __fastcall__ perror (const char* s);/
+<tag/Description/<tt/perror/ prints an error message to <tt/stderr/. If <tt/s/
+is not <tt/NULL/ and not an empty string, it is printed followed by a colon and
+a blank. Then the error message for the current contents of <tt/errno/ is
+printed followed by a newline. The message output is the same as returned by
+<tt/<ref id="strerror" name="strerror">/ with an argument of <tt/errno/.
+<tag/Limits/
+<itemize>
<item>The function is only available as fastcall function, so it may only
be used in presence of a prototype.
-<item>When compiling with <tt/-Os/ (inline known standard functions), the
-function does not work correctly for strings with more than 255 characters.
</itemize>
<tag/Availability/ISO 9899
<tag/See also/
-<ref id="strcpy" name="strcpy">
+<ref id="_poserror" name="_poserror">,
+<ref id="strerror" name="strerror">,
<tag/Example/None.
</descrip>
</quote>
-<sect1>
strlower<label id="strlower"><p>
+<sect1>
qsort<label id="qsort"><p>
<quote>
<descrip>
-<tag/Function/Make a string lower case.
-<tag/Header/<tt/<ref id="string.h" name="string.h">/
-<tag/Declaration/<tt/char* __fastcall__ strlower (char* s);/
+<tag/Function/Sort an array.
+<tag/Header/<tt/<ref id="stdlib.h" name="stdlib.h">/
+<tag/Declaration/<tt/void __fastcall__ qsort (void* base, size_t count,
+size_t size, int (*compare) (const void*, const void*));/
+<tag/Description/<tt/qsort/ sorts an array according to a given compare
+function <tt/compare/. <tt/base/ is the address of the array, <tt/count/
+is the number of elements, <tt/size/ the size of an element and <tt/compare/
+the function used to compare the members.
+<tag/Limits/
+<itemize>
+<item>If there are multiple members with the same key, the order after calling
+the function is undefined.
+<item>The function is only available as fastcall function, so it may only
+be used in presence of a prototype.
+</itemize>
+<tag/Availability/ISO 9899
+<tag/See also/
+<ref id="bsearch" name="bsearch">
+<tag/Example/None.
+</descrip>
+</quote>
+
+
+<sect1>raise<label id="raise"><p>
+
+<quote>
+<descrip>
+<tag/Function/Send a signal to the executing program.
+<tag/Header/<tt/<ref id="signal.h" name="signal.h">/
+<tag/Declaration/<tt/int __fastcall__ raise (int sig);/
+<tag/Description/<tt/raise/ sends the given signal to the program. If the
+program has installed a signal handler for the signal, this signal handler
+will be executed. If no handler has been installed, the default action for
+the raised signal will be taken. The function returns zero on success,
+nonzero otherwise.
+<tag/Limits/<itemize>
+<item>The function is only available as fastcall function, so it may only
+be used in presence of a prototype.
+</itemize>
+<tag/Availability/ISO 9899
+<tag/See also/
+<ref id="abort" name="abort">,
+<ref id="signal" name="signal">
+<tag/Example/None.
+</descrip>
+</quote>
+
+
+<sect1>rand<label id="rand"><p>
+
+<quote>
+<descrip>
+<tag/Function/Return a pseudo random number.
+<tag/Header/<tt/<ref id="stdlib.h" name="stdlib.h">/
+<tag/Declaration/<tt/int rand (void);/
+<tag/Description/The function returns a pseudo random number
+between 0 and <tt/RAND_MAX/ (exclusive).
+<tag/Limits/<itemize>
+<item>Without using <tt><ref id="srand" name="srand"></tt>, always the same
+flow of numbers is generated.
+<item>On startup, the function behaves as if <ref id="srand" name="srand">
+had been used with an argument of 1.
+</itemize>
+<tag/Availability/ISO 9899
+<tag/See also/
+<ref id="_randomize" name="_randomize">,
+<ref id="srand" name="srand">
+<tag/Example/None.
+</descrip>
+</quote>
+
+
+<sect1>realloc<label id="realloc"><p>
+
+<quote>
+<descrip>
+<tag/Function/Change the size of an allocated memory block.
+<tag/Header/<tt/<ref id="stdlib.h" name="stdlib.h">/
+<tag/Declaration/<tt/void* __fastcall__ realloc (void* block, size_t size);/
+<tag/Description/<tt/realloc/ changes the size of the memory block pointed to
+by <tt/block/ to <tt/size/ bytes. If <tt/block/ is <tt/NULL/, <tt/realloc/
+behaves as if <tt/malloc/ had been called. If <tt/size/ is zero, <tt/realloc/
+behaves as if <tt/free/ had been called. On error (not enough memory
+available), <tt/realloc/ returns <tt/NULL/.
+<tag/Limits/
+<itemize>
+<item>The part of the memory block that is returned will have its contents
+unchanged.
+<item>This function is somewhat dangerous to use. Be careful to save the
+pointer you're passing somewhere else, otherwise
+<tscreen><verb>
+ ptr = realloc (ptr, size);
+</verb></tscreen>
+will loose your only copy of <tt/ptr/ if <tt/realloc/ returns <tt/NULL/.
+<item>The function is only available as fastcall function, so it may only
+be used in presence of a prototype.
+</itemize>
+<tag/Availability/ISO 9899
+<tag/See also/
+<ref id="_heapadd" name="_heapadd">,
+<ref id="_heapblocksize" name="_heapblocksize">,
+<ref id="_heapmaxavail" name="_heapmaxavail">,
+<ref id="_heapmemavail" name="_heapmemavail">,
+<ref id="calloc" name="calloc">,
+<ref id="free" name="free">,
+<ref id="realloc" name="realloc">
+<tag/Example/None.
+</descrip>
+</quote>
+
+
+<sect1>remove<label id="remove"><p>
+
+<quote>
+<descrip>
+<tag/Function/Delete a file.
+<tag/Header/<tt/<ref id="stdio.h" name="stdio.h">/
+<tag/Declaration/<tt/int __fastcall__ remove (const char* name);/
+<tag/Description/<tt/remove/ deletes the file with the given name. On success,
+zero is returned. On error, -1 is returned and <tt/errno/ is set to an error
+code describing the reason for the failure.
+<tag/Limits/
+<itemize>
+<item>This function is not available on all cc65 targets (depends on the
+availability of file I/O).
+<item>The function is only available as fastcall function, so it may only
+be used in presence of a prototype.
+</itemize>
+<tag/Availability/ISO 9899
+<tag/See also/
+<ref id="unlink" name="unlink">
+<tag/Example/
+#include <stdio.h>
+
+#define FILENAME "helloworld"
+
+if (remove (FILENAME) == 0) {
+ printf ("We deleted %s successfully\n", FILENAME);
+} else {
+ printf ("There was a problem deleting %s\n", FILENAME);
+}
+</descrip>
+</quote>
+
+
+<sect1>reset_brk<label id="reset_brk"><p>
+
+<quote>
+<descrip>
+<tag/Function/Resets the break vector to its original value.
+<tag/Header/<tt/<ref id="6502.h" name="6502.h">/
+<tag/Declaration/<tt/void __fastcall__ reset_brk (void);/
+<tag/Description/<tt/reset_brk/ resets the break vector to the value it had
+before a call to <tt/set_brk/.
+<tag/Limits/
+<itemize>
+<item>Since <tt/<ref id="set_brk" name="set_brk">/ installs an exit handler,
+it is not strictly necessary to call this function as part of the cleanup when
+the program ends.
+</itemize>
+<tag/Availability/cc65
+<tag/See also/
+<ref id="set_brk" name="set_brk">
+<tag/Example/None.
+</descrip>
+</quote>
+
+
+<sect1>revers<label id="revers"><p>
+
+<quote>
+<descrip>
+<tag/Function/Control revers character display.
+<tag/Header/<tt/<ref id="conio.h" name="conio.h">/
+<tag/Declaration/<tt/unsigned char __fastcall__ revers (unsigned char onoff);/
+<tag/Description/If the argument is non zero, the function enables reverse
+character display. If the argument is zero, reverse character display is
+switched off. The old value of the setting is returned.
+<tag/Limits/<itemize>
+<item>The function may not be supported by the hardware, in which case
+the call is ignored.
+<item>The function is only available as fastcall function, so it may only
+be used in presence of a prototype.
+</itemize>
+<tag/Availability/cc65
+<tag/See also/
+<ref id="textcolor" name="textcolor">
+<tag/Example/None.
+</descrip>
+</quote>
+
+
+<sect1>screensize<label id="screensize"><p>
+
+<quote>
+<descrip>
+<tag/Function/Return the dimensions of the text mode screen.
+<tag/Header/<tt/<ref id="conio.h" name="conio.h">/
+<tag/Declaration/<tt/void __fastcall__ screensize (unsigned char* x, unsigned char* y);/
+<tag/Description/The function returns the dimensions of the text mode screen.
+<tag/Limits/<itemize>
+<item>The function is only available as fastcall function, so it may only
+be used in presence of a prototype.
+</itemize>
+<tag/Availability/cc65
+<tag/See also/
+<ref id="gotox" name="gotox">,
+<ref id="gotoxy" name="gotoxy">,
+<ref id="gotoy" name="gotoy">,
+<ref id="wherex" name="wherex">,
+<ref id="wherey" name="wherey">
+<tag/Example/None.
+</descrip>
+</quote>
+
+
+<sect1>set_brk<label id="set_brk"><p>
+
+<quote>
+<descrip>
+<tag/Function/Set the break vector to a user function.
+<tag/Header/<tt/<ref id="6502.h" name="6502.h">/
+<tag/Declaration/<tt/void __fastcall__ set_brk (brk_handler func);/
+<tag/Description/<tt/set_brk/ allows a user program to handle breaks within the
+program code by letting the vector point to a user written C function. The
+runtime library installs a small stub that saves the registers into global
+variables that may be accessed (and changed) by the break handler.
+<tag/Limits/
+<itemize>
+<item>The function is only available as fastcall function, so it may only
+be used in presence of a prototype.
+<item>The stub saves the zero page registers used by the C runtime and switches
+to a small break handler stack. This means that it is safe to execute C code,
+even if C code was interrupted. Be careful however not to use too many local
+variables, and do not enable stack checks for the handler function or any other
+function called from it.
+<item>The <tt/brk_pc/ variable points to the <tt/BRK/ instruction. If you want
+the continue with the interrupted code, you have to adjust <tt/brk_pc/,
+otherwise the <tt/BRK/ instruction will get executed over and over again.
+<item>Since <tt/set_brk/ installs an exit handler, it is not strictly necessary
+to call <tt/<ref id="reset_brk" name="reset_brk">/ as part of the cleanup when
+the program terminates.
+</itemize>
+<tag/Availability/cc65
+<tag/See also/
+<ref id="reset_brk" name="reset_brk">
+<tag/Example/None.
+</descrip>
+</quote>
+
+
+<sect1>setjmp<label id="setjmp"><p>
+
+<quote>
+<descrip>
+<tag/Function/Save the context for use with <tt/longjmp/.
+<tag/Header/<tt/<ref id="setjmp.h" name="setjmp.h">/
+<tag/Declaration/<tt/int __fastcall__ setjmp (jmp_buf buf);/
+<tag/Description/The <tt/setjmp/ function saves the current context in <tt/buf/
+for subsequent use by the <tt/<ref id="longjmp" name="longjmp">/ function and
+returns zero.
+<tag/Limits/
+<itemize>
+<item>The function is only available as fastcall function, so it may only
+be used in presence of a prototype.
+<item><tt/setjmp/ is actually a macro as required by the ISO standard.
+<item><tt/setjmp/ will not save the signal context.
+</itemize>
+<tag/Availability/ISO 9899
+<tag/See also/
+<ref id="longjmp" name="longjmp">
+<tag/Example/None.
+</descrip>
+</quote>
+
+
+<sect1>setlocale<label id="setlocale"><p>
+
+<quote>
+<descrip>
+<tag/Function/Selects a locale.
+<tag/Header/<tt/<ref id="locale.h" name="locale.h">/
+<tag/Declaration/<tt/char* __fastcall__ setlocale (int category, const char* locale);/
+<tag/Description/<tt/setlocale/ sets or queries the program's locale.
+<tag/Limits/
+<itemize>
+<item>The function is only available as fastcall function, so it may only
+be used in presence of a prototype.
+<item>cc65 supports only the "C" locale, so calling this function to set a
+different locale has no effect.
+</itemize>
+<tag/Availability/ISO 9899
+<tag/See also/
+<ref id="localeconv" name="localeconv">,
+<ref id="strcoll" name="strcoll">
+<tag/Example/None.
+</descrip>
+</quote>
+
+
+<sect1>signal<label id="signal"><p>
+
+<quote>
+<descrip>
+<tag/Function/Install a signal handler.
+<tag/Header/<tt/<ref id="signal.h" name="signal.h">/
+<tag/Declaration/<tt/__sigfunc __fastcall__ signal (int sig, __sigfunc func);/
+<tag/Description/<tt/signal/ installs a handler for the given signal. The
+handler may either be a user supplied function, or one of the predefined
+signal handlers <tt/SIG_IGN/ or <tt/SIG_DFL/. The function returns the
+previous value if the signal , or the special function vector SIG_ERR in
+case of an error.
+<tag/Limits/<itemize>
+<item>The function is only available as fastcall function, so it may only
+be used in presence of a prototype.
+</itemize>
+<tag/Availability/ISO 9899
+<tag/See also/
+<ref id="abort" name="abort">,
+<ref id="raise" name="raise">
+<tag/Example/None.
+</descrip>
+</quote>
+
+
+<sect1>sleep<label id="sleep"><p>
+
+<quote>
+<descrip>
+<tag/Function/Sleep for a specified amount of time.
+<tag/Header/<tt/<ref id="unistd.h" name="unistd.h">/
+<tag/Declaration/<tt/void __fastcall__ sleep (unsigned seconds);/
+<tag/Description/The function will return after the specified number of
+seconds have elapsed.
+<tag/Limits/<itemize>
+<item>The function is only available as fastcall function, so it may only
+be used in presence of a prototype.
+</itemize>
+<tag/Availability/POSIX 1003.1
+<tag/Example/None.
+</descrip>
+</quote>
+
+
+<sect1>slow<label id="slow"><p>
+
+<quote>
+<descrip>
+<tag/Function/Switch the C128 into 1MHz mode.
+<tag/Header/<tt/<ref id="c128.h" name="c128.h">/
+<tag/Declaration/<tt/void slow (void);/
+<tag/Description/The function will switch the clock of the C128 to 1MHz. This
+will halve the speed compared to fast mode.
+<tag/Limits/<itemize>
+<item>The function is specific to the C128.
+</itemize>
+<tag/Availability/C128
+<tag/See also/
+<ref id="fast" name="fast">,
+<ref id="toggle_videomode" name="toggle_videomode">
+<tag/Example/None.
+</descrip>
+</quote>
+
+
+<sect1>srand<label id="srand"><p>
+
+<quote>
+<descrip>
+<tag/Function/Initialize the pseudo random number generator.
+<tag/Header/<tt/<ref id="stdlib.h" name="stdlib.h">/
+<tag/Declaration/<tt/void __fastcall__ srand (unsigned seed);/
+<tag/Description/The function initializes the random number generator using
+the given seed. On program startup, the generator behaves as if <tt/srand/ has
+been called with an argument of 1.
+<tag/Limits/<itemize>
+<item>The function is only available as fastcall function, so it may only
+be used in presence of a prototype.
+</itemize>
+<tag/Availability/ISO 9899
+<tag/See also/
+<ref id="_randomize" name="_randomize">,
+<ref id="rand" name="rand">
+<tag/Example/None.
+</descrip>
+</quote>
+
+
+<sect1>strcasecmp<label id="strcasecmp"><p>
+
+<quote>
+<descrip>
+<tag/Function/Compare two strings case insensitive.
+<tag/Header/<tt/<ref id="string.h" name="string.h">/
+<tag/Declaration/<tt/int __fastcall__ strcasecmp (const char* s1, const char* s2);/
+<tag/Description/The <tt/strcasecmp/ function compares the two strings passed
+as parameters without case sensitivity. It returns a value that is less than
+zero if <tt/s1/ is less than <tt/s2/, zero if <tt/s1/ is the same as <tt/s2/,
+and a value greater than zero if <tt/s1/ is greater than <tt/s2/.
+<tag/Limits/<itemize>
+<item>The function is only available as fastcall function, so it may only
+be used in presence of a prototype.
+<item>The function is not available in strict ANSI mode.
+</itemize>
+<tag/Availability/cc65
+<tag/See also/
+<ref id="strcmp" name="strcmp">,
+<ref id="strcoll" name="strcoll">,
+<ref id="stricmp" name="stricmp">,
+<ref id="strncmp" name="strncmp">
+<tag/Example/None.
+</descrip>
+</quote>
+
+
+<sect1>strcat<label id="strcat"><p>
+
+<quote>
+<descrip>
+<tag/Function/Concatentate two strings.
+<tag/Header/<tt/<ref id="string.h" name="string.h">/
+<tag/Declaration/<tt/char* __fastcall__ strcat (char* s1, const char* s2);/
+<tag/Description/The <tt/strcat/ function appends a copy of the string
+pointed to by s2 (including the terminating null byte) to the end of the
+string pointed to by s1. The initial byte of s2 overwrites the null byte at
+the end of s1.
+<tag/Limits/<itemize>
+<item>The function is only available as fastcall function, so it may only
+be used in presence of a prototype.
+<item>If copying takes place between objects that overlap, the behaviour
+is undefined.
+</itemize>
+<tag/Availability/ISO 9899
+<tag/See also/
+<ref id="strcpy" name="strcpy">,
+<ref id="strncat" name="strncat">,
+<ref id="strncpy" name="strncpy">
+<tag/Example/None.
+</descrip>
+</quote>
+
+
+<sect1>strchr<label id="strchr"><p>
+
+<quote>
+<descrip>
+<tag/Function/Search for a character in a string.
+<tag/Header/<tt/<ref id="string.h" name="string.h">/
+<tag/Declaration/<tt/char* __fastcall__ strchr (const char* s, int c);/
+<tag/Description/The <tt/strchr/ function locates the first occurrence of <tt/c/
+(converted to a char) in the string pointed to by <tt/s/. The terminating null
+byte is considered to be part of the string. Upon completion, the function
+returns a pointer to the byte, or a null pointer if the byte was not found.
+<tag/Limits/<itemize>
+<item>The function is only available as fastcall function, so it may only
+be used in presence of a prototype.
+</itemize>
+<tag/Availability/ISO 9899
+<tag/See also/
+<ref id="memchr" name="memchr">,
+<ref id="strrchr" name="strrchr">
+<tag/Example/None.
+</descrip>
+</quote>
+
+
+<sect1>strcmp<label id="strcmp"><p>
+
+<quote>
+<descrip>
+<tag/Function/Compare two strings.
+<tag/Header/<tt/<ref id="string.h" name="string.h">/
+<tag/Declaration/<tt/int __fastcall__ strcmp (const char* s1, const char* s2);/
+<tag/Description/The <tt/strcmp/ function compares the two strings passed as
+parameters. It returns a value that is less than zero if <tt/s1/ is less than
+<tt/s2/, zero if <tt/s1/ is the same as <tt/s2/, and a value greater than zero
+if <tt/s1/ is greater than <tt/s2/.
+<tag/Limits/<itemize>
+<item>The function is only available as fastcall function, so it may only
+be used in presence of a prototype.
+</itemize>
+<tag/Availability/ISO 9899
+<tag/See also/
+<ref id="strcasecmp" name="strcasecmp">,
+<ref id="strcoll" name="strcoll">,
+<ref id="stricmp" name="stricmp">,
+<ref id="strncmp" name="strncmp">
+<tag/Example/None.
+</descrip>
+</quote>
+
+
+<sect1>strcoll<label id="strcoll"><p>
+
+<quote>
+<descrip>
+<tag/Function/Compare two strings.
+<tag/Header/<tt/<ref id="string.h" name="string.h">/
+<tag/Declaration/<tt/int __fastcall__ strcoll (const char* s1, const char* s2);/
+<tag/Description/The <tt/strcoll/ function compares the two strings passed as
+parameters, according to the collating sequence set by <tt/<ref id="setlocale"
+name="setlocale">/. It returns a value that is less than zero if <tt/s1/ is
+less than <tt/s2/, zero if <tt/s1/ is the same as <tt/s2/, and a value greater
+than zero if <tt/s1/ is greater than <tt/s2/.
+<tag/Limits/<itemize>
+<item>The function is only available as fastcall function, so it may only
+be used in presence of a prototype.
+</itemize>
+<tag/Availability/ISO 9899
+<tag/See also/
+<ref id="setlocale" name="setlocale">,
+<ref id="strcasecmp" name="strcasecmp">,
+<ref id="strcmp" name="strcmp">,
+<ref id="stricmp" name="stricmp">,
+<ref id="strncmp" name="strncmp">
+<tag/Example/None.
+</descrip>
+</quote>
+
+
+<sect1>strcpy<label id="strcpy"><p>
+
+<quote>
+<descrip>
+<tag/Function/Copy a string.
+<tag/Header/<tt/<ref id="string.h" name="string.h">/
+<tag/Declaration/<tt/char* __fastcall__ strcpy (char* s1, const char* s2);/
+<tag/Description/The <tt/strcpy/ function copies the string pointed to by
+<tt/s2/ (including the terminating null byte) into the array pointed to by
+<tt/s1/. The function will always return <tt/s1/.
+<tag/Limits/<itemize>
+<item>The function is only available as fastcall function, so it may only
+be used in presence of a prototype.
+<item>If copying takes place between objects that overlap, the behaviour
+is undefined.
+</itemize>
+<tag/Availability/ISO 9899
+<tag/See also/
+<ref id="strcat" name="strcat">,
+<ref id="strncat" name="strncat">,
+<ref id="strncpy" name="strncpy">
+<tag/Example/
+<verb>
+#include <string.h>
+
+static char hello[14];
+
+strcpy (hello, "Hello world!\n");
+</verb>
+</descrip>
+</quote>
+
+
+<sect1>strcspn<label id="strcspn"><p>
+
+<quote>
+<descrip>
+<tag/Function/Compute the length of a substring.
+<tag/Header/<tt/<ref id="string.h" name="string.h">/
+<tag/Declaration/<tt/size_t __fastcall__ strcspn (const char* s, const char* set);/
+<tag/Description/The <tt/strcspn/ function computes and returns the length of
+the substring pointed to by <tt/s/ which does <em>not</em> consist of
+characters contained in the string <tt/set/.
+<tag/Limits/<itemize>
+<item>The function is only available as fastcall function, so it may only
+be used in presence of a prototype.
+</itemize>
+<tag/Availability/ISO 9899
+<tag/See also/
+<ref id="strspn" name="strspn">,
+<ref id="strstr" name="strstr">
+<tag/Example/None.
+</descrip>
+</quote>
+
+
+<sect1>strdup<label id="strdup"><p>
+
+<quote>
+<descrip>
+<tag/Function/Allocate a copy of a string on the heap.
+<tag/Header/<tt/<ref id="string.h" name="string.h">/
+<tag/Declaration/<tt/char* __fastcall__ strdup (const char* s);/
+<tag/Description/<tt/strdup/ allocates a memory block on the heap, big enough
+to hold a copy of <tt/s/ including the terminating zero. If the allocation
+fails, <tt/NULL/ is returned, otherwise <tt/s/ is copied into the allocated
+memory block, and a pointer to the block is returned.
+<tag/Limits/<itemize>
+<item>The function is only available as fastcall function, so it may only
+be used in presence of a prototype.
+<item>It is up to the caller to free the allocated memory block.
+</itemize>
+<tag/Availability/ISO 9899
+<tag/See also/
+<ref id="free" name="free">,
+<ref id="malloc" name="malloc">
+<tag/Example/None.
+</descrip>
+</quote>
+
+
+<sect1>strerror<label id="strerror"><p>
+
+<quote>
+<descrip>
+<tag/Function/Return a string describing an error code.
+<tag/Header/<tt/<ref id="string.h" name="string.h">/
+<tag/Declaration/<tt/char* __fastcall__ strerror (int errcode);/
+<tag/Description/The <tt/strerror/ function returns a string describing the
+given error code. If an invalid error code is passed, the string "Unknown
+error" is returned, and <tt/errno/ is set to <tt/EINVAL/. In all other cases,
+<tt/errno/ is left untouched.
+<tag/Limits/<itemize>
+<item>The function is only available as fastcall function, so it may only
+be used in presence of a prototype.
+<item>While the return type of the function is a <tt/char*/, the returned
+string must not be modified by the caller!
+</itemize>
+<tag/Availability/ISO 9899
+<tag/See also/
+<ref id="_stroserror" name="_stroserror">
+<tag/Example/None.
+</descrip>
+</quote>
+
+
+<sect1>stricmp<label id="stricmp"><p>
+
+<quote>
+<descrip>
+<tag/Function/Compare two strings case insensitive.
+<tag/Header/<tt/<ref id="string.h" name="string.h">/
+<tag/Declaration/<tt/int __fastcall__ stricmp (const char* s1, const char* s2);/
+<tag/Description/The <tt/stricmp/ function compares the two strings passed as
+parameters without case sensitivity. It returns a value that is less than zero
+if <tt/s1/ is less than <tt/s2/, zero if <tt/s1/ is the same as <tt/s2/, and a
+value greater than zero if <tt/s1/ is greater than <tt/s2/.
+<tag/Limits/<itemize>
+<item>The function is only available as fastcall function, so it may only
+be used in presence of a prototype.
+<item>The function is not available in strict ANSI mode.
+</itemize>
+<tag/Availability/cc65
+<tag/See also/
+<ref id="strcasecmp" name="strcasecmp">,
+<ref id="strcmp" name="strcmp">,
+<ref id="strcoll" name="strcoll">,
+<ref id="strncmp" name="strncmp">
+<tag/Example/None.
+</descrip>
+</quote>
+
+
+<sect1>strlen<label id="strlen"><p>
+
+<quote>
+<descrip>
+<tag/Function/Return the length of a string.
+<tag/Header/<tt/<ref id="string.h" name="string.h">/
+<tag/Declaration/<tt/size_t __fastcall__ strlen (const char* s);/
+<tag/Description/The <tt/strlen/ function computes the number of bytes in the
+string to which s points, not including the terminating null byte.
+<tag/Limits/<itemize>
+<item>The function is only available as fastcall function, so it may only
+be used in presence of a prototype.
+<item>When compiling with <tt/-Os/ (inline known standard functions), the
+function does not work correctly for strings with more than 255 characters.
+</itemize>
+<tag/Availability/ISO 9899
+<tag/See also/
+<ref id="strcpy" name="strcpy">
+<tag/Example/None.
+</descrip>
+</quote>
+
+
+<sect1>strlower<label id="strlower"><p>
+
+<quote>
+<descrip>
+<tag/Function/Make a string lower case.
+<tag/Header/<tt/<ref id="string.h" name="string.h">/
+<tag/Declaration/<tt/char* __fastcall__ strlower (char* s);/
<tag/Description/The <tt/strlower/ function will apply the <tt/tolower/
function to each character of a string. The function will always return <tt/s/.
<tag/Limits/<itemize>
</itemize>
<tag/Availability/cc65
<tag/See also/
-<ref id="strupper" name="strupper">
+<ref id="strupper" name="strupper">,
<ref id="tolower" name="tolower">
<tag/Example/None.
</descrip>
</quote>
+<sect1>strncat<label id="strncat"><p>
+
+<quote>
+<descrip>
+<tag/Function/Concatentate two strings.
+<tag/Header/<tt/<ref id="string.h" name="string.h">/
+<tag/Declaration/<tt/char* __fastcall__ strncat (char* s1, const char* s2, size_t n);/
+<tag/Description/The <tt/strncat/ function appends not more than n characters
+of the string pointed to by s2 to the end of the string pointed to by s1. The
+terminating null character at the end of s1 is overwritten. A terminating null
+character is appended to the result, even if not all of s2 is appended to s1.
+<tag/Limits/<itemize>
+<item>The function is only available as fastcall function, so it may only
+be used in presence of a prototype.
+<item>If copying takes place between objects that overlap, the behaviour
+is undefined.
+</itemize>
+<tag/Availability/ISO 9899
+<tag/See also/
+<ref id="strcpy" name="strcpy">,
+<ref id="strncat" name="strncat">,
+<ref id="strncpy" name="strncpy">
+<tag/Example/None.
+</descrip>
+</quote>
+
+
+<sect1>strncmp<label id="strncmp"><p>
+
+<quote>
+<descrip>
+<tag/Function/Compare two strings.
+<tag/Header/<tt/<ref id="string.h" name="string.h">/
+<tag/Declaration/<tt/int __fastcall__ strncmp (const char* s1, const char* s2, size_t count);/
+<tag/Description/The <tt/strncmp/ function compares not more than <tt/count/
+characters of the two strings passed as parameters. It returns a value that is
+less than zero if the first <tt/count/ characters of <tt/s1/ are less than
+<tt/s2/, zero if they are identical, and a value greater than zero they are
+greater.
+<tag/Limits/<itemize>
+<item>The function is only available as fastcall function, so it may only
+be used in presence of a prototype.
+</itemize>
+<tag/Availability/ISO 9899
+<tag/See also/
+<ref id="strcasecmp" name="strcasecmp">,
+<ref id="strcmp" name="strcmp">,
+<ref id="strcoll" name="strcoll">,
+<ref id="stricmp" name="stricmp">
+<tag/Example/None.
+</descrip>
+</quote>
+
+
<sect1>strncpy<label id="strncpy"><p>
<quote>
<item>The function is only available as fastcall function, so it may only
be used in presence of a prototype. If there is no null byte in the first <tt/n/
bytes of the array pointed to by <tt/s2/, the result is not null-terminated.
-<item>If copying takes place between objects that overlap, the behavior is
+<item>If copying takes place between objects that overlap, the behaviour is
undefined.
</itemize>
<tag/Availability/ISO 9899
<tag/See also/
-<ref id="strcat" name="strcat">
-<ref id="strcpy" name="strcpy">
+<ref id="strcat" name="strcat">,
+<ref id="strcpy" name="strcpy">,
+<ref id="strncat" name="strncat">
<tag/Example/
<verb>
#include <string.h>
</quote>
+<sect1>strspn<label id="strspn"><p>
+
+<quote>
+<descrip>
+<tag/Function/Compute the length of a substring.
+<tag/Header/<tt/<ref id="string.h" name="string.h">/
+<tag/Declaration/<tt/size_t __fastcall__ strspn (const char* s, const char* set);/
+<tag/Description/The <tt/strspn/ function computes and returns the length of
+the substring pointed to by <tt/s/ which does consist only of characters
+contained in the string <tt/set/.
+<tag/Limits/<itemize>
+<item>The function is only available as fastcall function, so it may only
+be used in presence of a prototype.
+</itemize>
+<tag/Availability/ISO 9899
+<tag/See also/
+<ref id="strcspn" name="strcspn">,
+<ref id="strstr" name="strstr">
+<tag/Example/None.
+</descrip>
+</quote>
+
+
+<sect1>strstr<label id="strstr"><p>
+
+<quote>
+<descrip>
+<tag/Function/Find a substring.
+<tag/Header/<tt/<ref id="string.h" name="string.h">/
+<tag/Declaration/<tt/char* __fastcall__ strstr (const char* str, const char* substr);/
+<tag/Description/<tt/strstr/ searches for the first occurance of the string
+<tt/substr/ within <tt/str/. If found, it returns a pointer to the copy,
+otherwise it returns <tt/NULL/.
+<tag/Limits/<itemize>
+<item>The function is only available as fastcall function, so it may only
+be used in presence of a prototype.
+</itemize>
+<tag/Availability/ISO 9899
+<tag/See also/
+<ref id="strcspn" name="strcspn">,
+<ref id="strspn" name="strspn">
+<tag/Example/None.
+</descrip>
+</quote>
+
+
<sect1>strupper<label id="strupper"><p>
<quote>
</quote>
+<sect1>time<label id="time"><p>
+
+<quote>
+<descrip>
+<tag/Function/Get the time.
+<tag/Header/<tt/<ref id="time.h" name="time.h">/
+<tag/Declaration/<tt/time_t __fastcall__ time (time_t* t);/
+<tag/Description/The function returns the time since the 1970-01-01 00:00:00
+measured in seconds. If the pointer <tt/t/ is not <tt/NULL/, the function
+result will also be stored there. If no time is available, <tt/(time_t)-1/ is
+returned and <tt/errno/ is set to <tt/ENOSYS/.
+<tag/Limits/<itemize>
+<item>The function is only available as fastcall function, so it may
+only be used in presence of a prototype.
+<item>Many platforms supported by cc65 do not have a realtime clock, so the
+returned value may not be valid.
+</itemize>
+<tag/Availability/ISO 9899
+<tag/Example/None.
+</descrip>
+</quote>
+
+
<sect1>toggle_videomode<label id="toggle_videomode"><p>
<quote>
</quote>
+<sect1>ultoa<label id="ultoa"><p>
+
+<quote>
+<descrip>
+<tag/Function/Convert an unsigned long integer into a string.
+<tag/Header/<tt/<ref id="stdlib.h" name="stdlib.h">/
+<tag/Declaration/<tt/char* __fastcall__ ultoa (unsigned long val, char* buf, int radix);/
+<tag/Description/<tt/itoa/ converts the unsigned long integer <tt/val/ into a
+string using <tt/radix/ as the base.
+<tag/Limits/<itemize>
+<item>There are no provisions to prevent a buffer overflow.
+<item>The function is non standard, so it is not available in strict ANSI mode.
+You should probably use <tt/sprintf/ instead.
+<item>The function is only available as fastcall function, so it may only be
+used in presence of a prototype.
+</itemize>
+<tag/Availability/cc65
+<tag/See also/
+<ref id="atoi" name="atoi">,
+<ref id="atol" name="atol">,
+<ref id="itoa" name="itoa">,
+<ref id="ltoa" name="ltoa">,
+<ref id="utoa" name="utoa">
+<tag/Example/None.
+</descrip>
+</quote>
+
+
+<sect1>unlink<label id="unlink"><p>
+
+<quote>
+<descrip>
+<tag/Function/Delete a file.
+<tag/Header/<tt/<ref id="unistd.h" name="unistd.h">/
+<tag/Declaration/<tt/int __fastcall__ unlink (const char* name);/
+<tag/Description/<tt/unlink/ deletes the file with the given name. On success,
+zero is returned. On error, -1 is returned and <tt/errno/ is set to an error
+code describing the reason for the failure.
+<tag/Limits/
+<itemize>
+<item>The use of this function is discouraged. Please use <tt/<ref id="remove"
+name="remove">/ instead, which is a native ANSI C function and does the same.
+<item>This function is not available on all cc65 targets (depends on the
+availability of file I/O).
+<item>The function is only available as fastcall function, so it may only
+be used in presence of a prototype.
+<item>Instead of <tt/unlink/, <tt/<ref id="remove" name="remove">/ should be
+used, which has the same semantics, but is more portable, because it conforms
+to the ISO C standard.
+</itemize>
+<tag/Availability/POSIX 1003.1
+<tag/See also/
+<ref id="remove" name="remove">
+<tag/Example/
+#include <stdio.h>
+#include <unistd.h>
+
+#define FILENAME "helloworld"
+
+if (unlink (FILENAME) == 0) {
+ printf ("We deleted %s successfully\n", FILENAME);
+} else {
+ printf ("There was a problem deleting %s\n", FILENAME);
+}
+</descrip>
+</quote>
+
+
+<sect1>utoa<label id="utoa"><p>
+
+<quote>
+<descrip>
+<tag/Function/Convert an unsigned integer into a string.
+<tag/Header/<tt/<ref id="stdlib.h" name="stdlib.h">/
+<tag/Declaration/<tt/char* __fastcall__ utoa (unsigned val, char* buf, int radix);/
+<tag/Description/<tt/itoa/ converts the unsigned integer <tt/val/ into a string
+using <tt/radix/ as the base.
+<tag/Limits/<itemize>
+<item>There are no provisions to prevent a buffer overflow.
+<item>The function is non standard, so it is not available in strict ANSI mode.
+You should probably use <tt/sprintf/ instead.
+<item>The function is only available as fastcall function, so it may only be
+used in presence of a prototype.
+</itemize>
+<tag/Availability/cc65
+<tag/See also/
+<ref id="atoi" name="atoi">,
+<ref id="atol" name="atol">,
+<ref id="itoa" name="itoa">,
+<ref id="ltoa" name="ltoa">,
+<ref id="ultoa" name="ultoa">
+<tag/Example/None.
+</descrip>
+</quote>
+
+
+<sect1>vcprintf<label id="vcprintf"><p>
+
+<quote>
+<descrip>
+<tag/Function/Formatted output to the console.
+<tag/Header/<tt/<ref id="conio.h" name="conio.h">/
+<tag/Declaration/<tt/int __fastcall__ vcprintf (const char* format, va_list ap);/
+<tag/Description/The arguments specified as a <tt/va_list/ are converted to
+text where necessary and formatted according to the format string given. The
+resulting string is output to the console. <tt/vcprintf/ supports the same
+format specifiers as <tt/vprintf/. <!-- <tt/<ref id="vprintf" name="vprintf">/. -->
+<tag/Limits/<itemize>
+<item>Like all other <tt/conio/ output functions, <tt/vcprintf/ distinguishes
+between <tt/\r/ and <tt/\n/.
+<item>The function is only available as fastcall function, so it may only be
+used in presence of a prototype.
+</itemize>
+<tag/Availability/cc65
+<tag/See also/
+<ref id="cprintf" name="cprintf">,
+<ref id="cputc" name="cputc">,
+<ref id="cputcxy" name="cputcxy">,
+<ref id="cputs" name="cputs">,
+<ref id="cputsxy" name="cputsxy">
+<tag/Example/None.
+</descrip>
+</quote>
+
+
<sect1>wherex<label id="wherex"><p>
<quote>
projects / cc65 / blobdiff