getopt_long.3 (c2025a76606b44c4d5367b7509fbc0285ae1e7f8) getopt_long.3 (bd45f5676d4ee95d5460a9b62cd346c3e01fc614)
1.\" $OpenBSD: getopt_long.3,v 1.10 2004/01/06 23:44:28 fgsch Exp $
2.\" $NetBSD: getopt_long.3,v 1.14 2003/08/07 16:43:40 agc Exp $
3.\"
4.\" Copyright (c) 1988, 1991, 1993
5.\" The Regents of the University of California. All rights reserved.
6.\"
7.\" Redistribution and use in source and binary forms, with or without
8.\" modification, are permitted provided that the following conditions

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26.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29.\" SUCH DAMAGE.
30.\"
31.\" @(#)getopt.3 8.5 (Berkeley) 4/27/95
32.\" $FreeBSD$
33.\"
1.\" $OpenBSD: getopt_long.3,v 1.10 2004/01/06 23:44:28 fgsch Exp $
2.\" $NetBSD: getopt_long.3,v 1.14 2003/08/07 16:43:40 agc Exp $
3.\"
4.\" Copyright (c) 1988, 1991, 1993
5.\" The Regents of the University of California. All rights reserved.
6.\"
7.\" Redistribution and use in source and binary forms, with or without
8.\" modification, are permitted provided that the following conditions

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26.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29.\" SUCH DAMAGE.
30.\"
31.\" @(#)getopt.3 8.5 (Berkeley) 4/27/95
32.\" $FreeBSD$
33.\"
34.Dd April 1, 2000
34.Dd December 25, 2011
35.Dt GETOPT_LONG 3
36.Os
37.Sh NAME
38.Nm getopt_long ,
39.Nm getopt_long_only
40.Nd get long options from command line argument list
41.Sh LIBRARY
42.Lb libc

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234static struct option longopts[] = {
235 { "buffy", no_argument, NULL, 'b' },
236 { "fluoride", required_argument, NULL, 'f' },
237 { "daggerset", no_argument, \*[Am]daggerset, 1 },
238 { NULL, 0, NULL, 0 }
239};
240
241bflag = 0;
35.Dt GETOPT_LONG 3
36.Os
37.Sh NAME
38.Nm getopt_long ,
39.Nm getopt_long_only
40.Nd get long options from command line argument list
41.Sh LIBRARY
42.Lb libc

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234static struct option longopts[] = {
235 { "buffy", no_argument, NULL, 'b' },
236 { "fluoride", required_argument, NULL, 'f' },
237 { "daggerset", no_argument, \*[Am]daggerset, 1 },
238 { NULL, 0, NULL, 0 }
239};
240
241bflag = 0;
242while ((ch = getopt_long(argc, argv, "bf:", longopts, NULL)) != -1)
242while ((ch = getopt_long(argc, argv, "bf:", longopts, NULL)) != -1) {
243 switch (ch) {
244 case 'b':
245 bflag = 1;
246 break;
247 case 'f':
248 if ((fd = open(optarg, O_RDONLY, 0)) == -1)
249 err(1, "unable to open %s", optarg);
250 break;
251 case 0:
252 if (daggerset) {
253 fprintf(stderr,"Buffy will use her dagger to "
254 "apply fluoride to dracula's teeth\en");
255 }
256 break;
257 default:
258 usage();
243 switch (ch) {
244 case 'b':
245 bflag = 1;
246 break;
247 case 'f':
248 if ((fd = open(optarg, O_RDONLY, 0)) == -1)
249 err(1, "unable to open %s", optarg);
250 break;
251 case 0:
252 if (daggerset) {
253 fprintf(stderr,"Buffy will use her dagger to "
254 "apply fluoride to dracula's teeth\en");
255 }
256 break;
257 default:
258 usage();
259 }
259}
260argc -= optind;
261argv += optind;
262.Ed
263.Sh IMPLEMENTATION DIFFERENCES
264This section describes differences to the
265.Tn GNU
266implementation

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261argc -= optind;
262argv += optind;
263.Ed
264.Sh IMPLEMENTATION DIFFERENCES
265This section describes differences to the
266.Tn GNU
267implementation

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