arg.h (1010B)
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 /* use main(int argc, char *argv[]) */ 12 #define ARGBEGIN for (argv0 = *argv, argv++, argc--;\ 13 argv[0] && argv[0][0] == '-'\ 14 && argv[0][1];\ 15 argc--, argv++) {\ 16 char argc_;\ 17 char **argv_;\ 18 int brk_;\ 19 if (argv[0][1] == '-' && argv[0][2] == '\0') {\ 20 argv++;\ 21 argc--;\ 22 break;\ 23 }\ 24 for (brk_ = 0, argv[0]++, argv_ = argv;\ 25 argv[0][0] && !brk_;\ 26 argv[0]++) {\ 27 if (argv_ != argv)\ 28 break;\ 29 argc_ = argv[0][0];\ 30 switch (argc_) 31 #define ARGEND }\ 32 } 33 34 #define ARGC() argc_ 35 36 #define EARGF(x) ((argv[0][1] == '\0' && argv[1] == NULL)?\ 37 ((x), abort(), (char *)0) :\ 38 (brk_ = 1, (argv[0][1] != '\0')?\ 39 (&argv[0][1]) :\ 40 (argc--, argv++, argv[0]))) 41 42 #define ARGF() ((argv[0][1] == '\0' && argv[1] == NULL)?\ 43 (char *)0 :\ 44 (brk_ = 1, (argv[0][1] != '\0')?\ 45 (&argv[0][1]) :\ 46 (argc--, argv++, argv[0]))) 47 48 #endif