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