-#ifndef NEEDPROTOS
-int next_line_tokens();
-void free_strarray();
-static int next_line();
-static char *next_token();
-#else /* !NEEDPROTOS */
-int next_line_tokens( char **bufp, long *blenp, char ***toksp );
-void free_strarray( char **sap );
-static int next_line( char **bufp, long *blenp, char **linep );
-static char *next_token( char ** sp );
-#endif /* !NEEDPROTOS */