arg.h (732B)
1 /* 2 * Copy me if you can. 3 * by 20h 4 */ 5 6 #ifndef __ARG_H__ 7 #define __ARG_H__ 8 9 extern char *argv0; 10 11 #define USED(x) ((void)(x)) 12 13 #define ARGBEGIN for (argv0 = *argv, argv++, argc--;\ 14 argv[0] && argv[0][1]\ 15 && argv[0][0] == '-';\ 16 argc--, argv++) {\ 17 char _argc;\ 18 char **_argv;\ 19 if (argv[0][1] == '-' && argv[0][2] == '\0') {\ 20 argv++;\ 21 argc--;\ 22 break;\ 23 }\ 24 for (argv[0]++, _argv = argv; argv[0][0];\ 25 argv[0]++) {\ 26 if (_argv != argv)\ 27 break;\ 28 _argc = argv[0][0];\ 29 switch (_argc) 30 31 #define ARGEND }\ 32 USED(_argc);\ 33 }\ 34 USED(argv);\ 35 USED(argc); 36 37 #define EARGF(x) ((argv[1] == NULL)? ((x), abort(), (char *)0) :\ 38 (argc--, argv++, argv[0])) 39 40 #endif 41