freebsd-dev/usr.bin/getopt/getopt.c
Brooks Davis 59f31bb2d0 getopt.c is public domain. Add a comment to that effect.
Remove confusing README.

PR:		bin/98911
Submitted by:	Jason McIntyre <jmc at kerhand dot co dot uk>
Obtained from:	OpenBSD
MFC after:	3 days
2008-05-15 19:27:52 +00:00

38 lines
734 B
C

#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
/*
* This material, written by Henry Spencer, was released by him
* into the public domain and is thus not subject to any copyright.
*/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
int
main(int argc, char *argv[])
{
int c;
int status = 0;
optind = 2; /* Past the program name and the option letters. */
while ((c = getopt(argc, argv, argv[1])) != -1)
switch (c) {
case '?':
status = 1; /* getopt routine gave message */
break;
default:
if (optarg != NULL)
printf(" -%c %s", c, optarg);
else
printf(" -%c", c);
break;
}
printf(" --");
for (; optind < argc; optind++)
printf(" %s", argv[optind]);
printf("\n");
return status;
}