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author | Roland McGrath <roland@gnu.org> | 1995-02-18 01:27:10 +0000 |
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committer | Roland McGrath <roland@gnu.org> | 1995-02-18 01:27:10 +0000 |
commit | 28f540f45bbacd939bfd07f213bcad2bf730b1bf (patch) | |
tree | 15f07c4c43d635959c6afee96bde71fb1b3614ee /manual/examples/testopt.c | |
download | glibc-28f540f45bbacd939bfd07f213bcad2bf730b1bf.zip glibc-28f540f45bbacd939bfd07f213bcad2bf730b1bf.tar.gz glibc-28f540f45bbacd939bfd07f213bcad2bf730b1bf.tar.bz2 |
initial import
Diffstat (limited to 'manual/examples/testopt.c')
-rw-r--r-- | manual/examples/testopt.c | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/manual/examples/testopt.c b/manual/examples/testopt.c new file mode 100644 index 0000000..8ebc9b6 --- /dev/null +++ b/manual/examples/testopt.c @@ -0,0 +1,50 @@ +/*@group*/ +#include <unistd.h> +#include <stdio.h> + +int +main (int argc, char **argv) +{ + int aflag = 0; + int bflag = 0; + char *cvalue = NULL; + int index; + int c; + + opterr = 0; +/*@end group*/ + +/*@group*/ + while ((c = getopt (argc, argv, "abc:")) != -1) + switch (c) + { + case 'a': + aflag = 1; + break; + case 'b': + bflag = 1; + break; + case 'c': + cvalue = optarg; + break; + case '?': + if (isprint (optopt)) + fprintf (stderr, "Unknown option `-%c'.\n", optopt); + else + fprintf (stderr, + "Unknown option character `\\x%x'.\n", + optopt); + return 1; + default: + abort (); + } +/*@end group*/ + +/*@group*/ + printf ("aflag = %d, bflag = %d, cvalue = %s\n", aflag, bflag, cvalue); + + for (index = optind; index < argc; index++) + printf ("Non-option argument %s\n", argv[index]); + return 0; +} +/*@end group*/ |