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arg.h (1684B) | |
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1 /* See LICENSE file for copyright and license details. */ | |
2 #ifndef ARG_H | |
3 #define ARG_H | |
4 | |
5 extern char *argv0; | |
6 | |
7 /* int main(int argc, char *argv[]) */ | |
8 #define ARGBEGIN for (argv0 = *argv, *argv ? (argc--, argv++) : ((void *… | |
9 *argv && (*argv)[0] == '-' && (*argv)[1]; argc--, … | |
10 int i_, argused_; … | |
11 if ((*argv)[1] == '-' && !(*argv)[2]) { … | |
12 argc--, argv++; … | |
13 break; … | |
14 } … | |
15 for (i_ = 1, argused_ = 0; (*argv)[i_]; i_++) {… | |
16 switch ((*argv)[i_]) | |
17 #define ARGEND if (argused_) { … | |
18 if ((*argv)[i_ + 1]) { … | |
19 break; … | |
20 } else { … | |
21 argc--, argv++; … | |
22 break; … | |
23 } … | |
24 } … | |
25 } … | |
26 } | |
27 #define ARGC() ((*argv)[i_]) | |
28 #define ARGF_(x) (((*argv)[i_ + 1]) ? (argused_ = 1, &((*argv)[i_ + 1]))… | |
29 (*(argv + 1)) ? (argused_ = 1, *(argv + 1)) … | |
30 #define EARGF(x) ARGF_(((x), exit(1), (char *)0)) | |
31 #define ARGF() ARGF_((char *)0) | |
32 | |
33 #endif |