diff options
Diffstat (limited to 'shell_cmds/getopt/getopt.c')
-rw-r--r-- | shell_cmds/getopt/getopt.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/shell_cmds/getopt/getopt.c b/shell_cmds/getopt/getopt.c new file mode 100644 index 0000000..5e8a743 --- /dev/null +++ b/shell_cmds/getopt/getopt.c @@ -0,0 +1,32 @@ +#include <sys/cdefs.h> +__RCSID("$FreeBSD: src/usr.bin/getopt/getopt.c,v 1.10 2002/09/04 23:29:01 dwmalone Exp $"); + +#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; +} |