kolibrios/programs/develop/ktcc/trunk/samples/getopt_ex.c
superturbocat2001 99103794f2 - Added simple function "getopt" in stdlib (tcc)
git-svn-id: svn://kolibrios.org@8380 a494cfbc-eb01-0410-851d-a64ba20cac60
2020-12-12 20:09:30 +00:00

39 lines
932 B
C

#include <stdio.h>
#include <getopt.h>
#include <stdlib.h>
void main(int argc, char *argv[]) {
int c;
if(argc<2)
{
puts("Usage: getopt_ex [options]\n");
puts("-a Show 'Option a'");
puts("-B Show 'Option B'");
puts("-n [num] Show 'num'");
}
while ((c = getopt(argc, argv, "aBn:")) != EOF) {
switch (c) {
case 'a':
puts("Option 'a'");
break;
case 'B':
puts("Option 'B'");
break;
case 'n':
printf("Option n: value=%d\n", atoi(optarg));
break;
case '?':
printf("ERROR: illegal option %s\n", argv[optind-1]);
exit(0);
default:
printf("WARNING: no handler for option %c\n", c);
exit(0);
}
}
exit(0);
}