| 0,0 → 1,38 |
|---|
| #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); |
| } |