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0 /*

1 * Copy me if you can.

2 * by 20h

3 */

4

5 #ifndef ARG_H__

6 #define ARG_H__

7

8 extern char *argv0;

9

10 /* use main(int argc, char *argv[]) */

11 #define ARGBEGIN for (argv0 = *argv, argv++, argc--;\

12 argv[0] && argv[0][0] == '-'\

13 && argv[0][1];\

14 argc--, argv++) {\

15 char argc_;\

16 char **argv_;\

17 int brk_;\

18 if (argv[0][1] == '-' && argv[0][2] == '\0') {\

19 argv++;\

20 argc--;\

21 break;\

22 }\

23 int i_;\

24 for (i_ = 1, brk_ = 0, argv_ = argv;\

25 argv[0][i_] && !brk_;\

26 i_++) {\

27 if (argv_ != argv)\

28 break;\

29 argc_ = argv[0][i_];\

30 switch (argc_)

31

32 #define ARGEND }\

33 }

34

35 #define ARGC() argc_

36

37 #define EARGF(x) ((argv[0][i_+1] == '\0' && argv[1] == NULL)?\

38 ((x), abort(), (char *)0) :\

39 (brk_ = 1, (argv[0][i_+1] != '\0')?\

40 (&argv[0][i_+1]) :\

41 (argc--, argv++, argv[0])))

42

43 #define ARGF() ((argv[0][i_+1] == '\0' && argv[1] == NULL)?\

44 (char *)0 :\

45 (brk_ = 1, (argv[0][i_+1] != '\0')?\

46 (&argv[0][i_+1]) :\

47 (argc--, argv++, argv[0])))

48

49 #endif

50