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arg.h (1684B)
---
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
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