Function main

lib/getopt_long.c:87–187

(argc, argv)

#include <stdio.h>

int
main(argc, argv)
int argc;
char **argv;
{
    while (1)
    {
        int c;
        int digit_optind = 0;

        int this_option_optind = optind ? optind : 1;
        int option_index = 0;
        static struct option long_options[] =
        {
            {"add", 1, 0, 0},
            {"append", 0, 0, 0},
            {"delete", 1, 0, 0},
            {"verbose", 0, 0, 0},
            {"create", 0, 0, 0},
            {"file", 1, 0, 0},
            {0, 0, 0, 0}
        };

        c = getopt_long(argc, argv, "abc:d:0123456789",
                        long_options, &option_index);

        if (c == EOF)
        {
            break;
        }

        switch (c)
        {
        case 0:
            printf("option %s", long_options[option_index].name);

            if (optarg)
            {
                printf(" with arg %s", optarg);
            }

            printf("\n");
            break;

        case '0':
        case '1':
        case '2':
        case '3':
        case '4':
        case '5':
        case '6':
        case '7':
        case '8':
        case '9':
            if (digit_optind != 0 && digit_optind != this_option_optind)
            {
                printf("digits occur in two different argv-elements.\n");
            }