1 typedef unsigned long Rune; /* 21 bits */ 2 typedef unsigned char uchar; 3 #define Runeerror 0x80 /* decoding error in UTF */ 4 #define Runeself 0x80 /* rune and UTF sequences are the same (<) */ 5 #define UTFmax 6 /* maximum bytes per rune */ 6 7 /* 8 plan 9 argument parsing 9 */ 10 #define ARGBEGIN for((argv0? 0: (argv0= *argv)),argv++,argc--;\ 11 argv[0] && argv[0][0]=='-' && argv[0][1];\ 12 argc--, argv++) {\ 13 char *_args, *_argt, _argc;\ 14 _args = &argv[0][1];\ 15 if(_args[0]=='-' && _args[1]==0){\ 16 argc--; argv++; break;\ 17 }\ 18 _argc=0;while(*_args) switch(_argc= *_args++) 19 #define ARGEND } 20 #define ARGF() (_argt=_args, _args="",\ 21 (*_argt? _argt: argv[1]? (argc--, *++argv): 0)) 22 #define ARGC() _argc 23 extern char *argv0; 24