1 a31db67d 2004-04-21 devnull typedef unsigned short Rune;		/* 16 bits */
 2 a31db67d 2004-04-21 devnull typedef unsigned char uchar;
 3 a31db67d 2004-04-21 devnull #define		Runeerror	0x80	/* decoding error in UTF */
 4 a31db67d 2004-04-21 devnull #define		Runeself	0x80	/* rune and UTF sequences are the same (<) */
 5 a31db67d 2004-04-21 devnull #define		UTFmax		6	/* maximum bytes per rune */
 6 a31db67d 2004-04-21 devnull 
 7 a31db67d 2004-04-21 devnull /*
 8 a31db67d 2004-04-21 devnull 	plan 9 argument parsing
 9 a31db67d 2004-04-21 devnull */
10 a31db67d 2004-04-21 devnull #define	ARGBEGIN	for((argv0? 0: (argv0= *argv)),argv++,argc--;\
11 a31db67d 2004-04-21 devnull 			    argv[0] && argv[0][0]=='-' && argv[0][1];\
12 a31db67d 2004-04-21 devnull 			    argc--, argv++) {\
13 a31db67d 2004-04-21 devnull 				char *_args, *_argt, _argc;\
14 a31db67d 2004-04-21 devnull 				_args = &argv[0][1];\
15 a31db67d 2004-04-21 devnull 				if(_args[0]=='-' && _args[1]==0){\
16 a31db67d 2004-04-21 devnull 					argc--; argv++; break;\
17 a31db67d 2004-04-21 devnull 				}\
18 a31db67d 2004-04-21 devnull 				_argc=0;while(*_args) switch(_argc= *_args++)
19 a31db67d 2004-04-21 devnull #define	ARGEND		}
20 a31db67d 2004-04-21 devnull #define	ARGF()		(_argt=_args, _args="",\
21 a31db67d 2004-04-21 devnull 				(*_argt? _argt: argv[1]? (argc--, *++argv): 0))
22 a31db67d 2004-04-21 devnull #define	ARGC()		_argc
23 a31db67d 2004-04-21 devnull extern char *argv0;