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- typedef unsigned long Rune; /* 21 bits */
- typedef unsigned char uchar;
- #define Runeerror 0x80 /* decoding error in UTF */
- #define Runeself 0x80 /* rune and UTF sequences are the same (<) */
- #define UTFmax 6 /* maximum bytes per rune */
- /*
- plan 9 argument parsing
- */
- #define ARGBEGIN for((argv0? 0: (argv0= *argv)),argv++,argc--;\
- argv[0] && argv[0][0]=='-' && argv[0][1];\
- argc--, argv++) {\
- char *_args, *_argt, _argc;\
- _args = &argv[0][1];\
- if(_args[0]=='-' && _args[1]==0){\
- argc--; argv++; break;\
- }\
- _argc=0;while(*_args) switch(_argc= *_args++)
- #define ARGEND }
- #define ARGF() (_argt=_args, _args="",\
- (*_argt? _argt: argv[1]? (argc--, *++argv): 0))
- #define ARGC() _argc
- extern char *argv0;
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