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/*
* getopttest.c
*
* Simple test for getopt, set the environment variable GETOPTTEST
* to give the argument string to getopt()
*/
#include <stdlib.h>
#include <unistd.h>
#include <stdio.h>
int main(int argc, char *const *argv)
{
const char *parser;
char showchar[] = "\'?\'";
int c;
parser = getenv("GETOPTTEST");
if (!parser)
parser = "abzf:o:";
do {
c = getopt(argc, argv, parser);
showchar[1] = c;
printf
("c = %s, optind = %d (%s), optarg = \"%s\", optopt = \'%c\'\n",
(c == EOF) ? "EOF" : showchar, optind, argv[optind],
optarg, optopt);
} while (c != -1);
return 0;
}
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