| extern unsigned char _cbtype_[]; /* in /usr/src/libc/gen/ctype_.c */ |
| #define isop(c) ((_cbtype_+1)[(uchar)(c)]&_O) |
| #define isalpha(c) ((_cbtype_+1)[(uchar)(c)]&(_U|_L)) |
| #define isupper(c) ((_cbtype_+1)[(uchar)(c)]&_U) |
| #define islower(c) ((_cbtype_+1)[(uchar)(c)]&_L) |
| #define isdigit(c) ((_cbtype_+1)[(uchar)(c)]&_N) |
| #define isxdigit(c) ((_cbtype_+1)[(uchar)(c)]&(_N|_X)) |
| #define isspace(c) ((_cbtype_+1)[(uchar)(c)]&_S) |
| #define ispunct(c) ((_cbtype_+1)[(uchar)(c)]&_P) |
| #define isalnum(c) ((_cbtype_+1)[(uchar)(c)]&(_U|_L|_N)) |
| #define isprint(c) ((_cbtype_+1)[(uchar)(c)]&(_P|_U|_L|_N)) |
| #define iscntrl(c) ((_cbtype_+1)[(uchar)(c)]&_C) |
| #define isascii(c) ((unsigned)(c)<=0177) |
| #define toupper(c) ((c)-'a'+'A') |
| #define tolower(c) ((c)-'A'+'a') |
| #define toascii(c) ((c)&0177) |
