ref: 540373b9f603825f27f853a441c6c046a04a0972
dir: /sys/src/cmd/tcs/plan9.h/
typedef unsigned short Rune; /* 16 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;