7 # include <sys/types.h>
14 /* crypt() may be defined in a separate include file */
21 /* getopt() defines may be in separate include file */
25 #elif !defined(HAVE_GETOPT)
26 /* no getopt, assume we need getopt-compat.h */
27 # include <getopt-compat.h>
30 /* assume we need to declare these externs */
32 extern int optind, opterr, optopt;
36 extern char *tempnam(const char *tmpdir, const char *prefix);
39 extern char *mktemp(char *);
42 /* use _POSIX_VERSION for POSIX.1 code */
44 #endif /* _AC_UNISTD_H */