Subversion Repositories planix.SVN

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;