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getopt.3: ffix 

Reported-by: Sam Varshavchik <mrsam@courier-mta.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
This commit is contained in:
Michael Kerrisk 2018-08-03 15:35:22 +02:00
parent 3426f62cea
commit 66af361c68
1 changed files with 15 additions and 15 deletions
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30
man3/getopt.3
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@ -447,23 +447,23 @@ main(int argc, char *argv[])
exit(EXIT_SUCCESS);
}
.EX
.EE
.SS getopt_long()
The following example program illustrates the use of
.BR getopt_long ()
with most of its features.
.PP
.EE
.EX
#include <stdio.h> /* for printf */
#include <stdlib.h> /* for exit */
#include <getopt.h>
.PP
int
main(int argc, char **argv)
{
int c;
int digit_optind = 0;
.PP
while (1) {
int this_option_optind = optind ? optind : 1;
int option_index = 0;
@ -476,12 +476,12 @@ main(int argc, char **argv)
{"file", required_argument, 0, 0 },
{0, 0, 0, 0 }
};
.PP
c = getopt_long(argc, argv, "abc:d:012",
long_options, &option_index);
if (c == \-1)
break;
.PP
switch (c) {
case 0:
printf("option %s", long_options[option_index].name);
@ -489,7 +489,7 @@ main(int argc, char **argv)
printf(" with arg %s", optarg);
printf("\\n");
break;
.PP
case \(aq0\(aq:
case \(aq1\(aq:
case \(aq2\(aq:
@ -498,38 +498,38 @@ main(int argc, char **argv)
digit_optind = this_option_optind;
printf("option %c\\n", c);
break;
.PP
case \(aqa\(aq:
printf("option a\\n");
break;
.PP
case \(aqb\(aq:
printf("option b\\n");
break;
.PP
case \(aqc\(aq:
printf("option c with value \(aq%s\(aq\\n", optarg);
break;
.PP
case \(aqd\(aq:
printf("option d with value \(aq%s\(aq\\n", optarg);
break;
.PP
case \(aq?\(aq:
break;
.PP
default:
printf("?? getopt returned character code 0%o ??\\n", c);
}
}
.PP
if (optind < argc) {
printf("non\-option ARGV\-elements: ");
while (optind < argc)
printf("%s ", argv[optind++]);
printf("\\n");
}
.PP
exit(EXIT_SUCCESS);
}
.EE