diff options
Diffstat (limited to 'usr.bin/head/head.c')
| -rw-r--r-- | usr.bin/head/head.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/usr.bin/head/head.c b/usr.bin/head/head.c index 6430f9e6c45e..10423dd96be0 100644 --- a/usr.bin/head/head.c +++ b/usr.bin/head/head.c @@ -47,6 +47,7 @@ __FBSDID("$FreeBSD$"); #include <ctype.h> #include <err.h> +#include <getopt.h> #include <inttypes.h> #include <stdio.h> #include <stdlib.h> @@ -64,6 +65,13 @@ static void head_bytes(FILE *, off_t); static void obsolete(char *[]); static void usage(void); +static const struct option long_opts[] = +{ + {"bytes", required_argument, NULL, 'c'}, + {"lines", required_argument, NULL, 'n'}, + {NULL, no_argument, NULL, 0} +}; + int main(int argc, char *argv[]) { @@ -74,7 +82,7 @@ main(int argc, char *argv[]) char *ep; obsolete(argv); - while ((ch = getopt(argc, argv, "n:c:")) != -1) + while ((ch = getopt_long(argc, argv, "+n:c:", long_opts, NULL)) != -1) switch(ch) { case 'c': bytecnt = strtoimax(optarg, &ep, 10); |