arg.h

/*
* Copy me if you can.
* by 20h
*/

#ifndef ARG_H__
#define ARG_H__

extern char *argv0;

/* use main(int argc, char *argv[]) */
#define ARGBEGIN for (argv0 = *argv, argv++, argc--;\
argv[0] && argv[0][0] == '-'\
&& argv[0][1];\
argc--, argv++) {\
char argc_;\
char **argv_;\
int brk_;\
if (argv[0][1] == '-' && argv[0][2] == '\0') {\
argv++;\
argc--;\
break;\
}\
for (brk_ = 0, argv[0]++, argv_ = argv;\
argv[0][0] && !brk_;\
argv[0]++) {\
if (argv_ != argv)\
break;\
argc_ = argv[0][0];\
switch (argc_)
#define ARGEND }\
}

#define ARGC() argc_

#define EARGF(x) ((argv[0][1] == '\0' && argv[1] == NULL)?\
((x), abort(), (char *)0) :\
(brk_ = 1, (argv[0][1] != '\0')?\
(&argv[0][1]) :\
(argc--, argv++, argv[0])))

#define ARGF() ((argv[0][1] == '\0' && argv[1] == NULL)?\
(char *)0 :\
(brk_ = 1, (argv[0][1] != '\0')?\
(&argv[0][1]) :\
(argc--, argv++, argv[0])))

#endif

This thread represents everything that's wrong with the Unix process model, as well as everything that's wrong with C. Burn the mistakes of the past, salt the earth.