| extern unsigned char _cbtype_[]; /* in /usr/src/libc/gen/ctype_.c */ |
| #define isop(c) ((_cbtype_+1)[c]&_O) |
| #define isalpha(c) ((_cbtype_+1)[c]&(_U|_L)) |
| #define isupper(c) ((_cbtype_+1)[c]&_U) |
| #define islower(c) ((_cbtype_+1)[c]&_L) |
| #define isdigit(c) ((_cbtype_+1)[c]&_N) |
| #define isxdigit(c) ((_cbtype_+1)[c]&(_N|_X)) |
| #define isspace(c) ((_cbtype_+1)[c]&_S) |
| #define ispunct(c) ((_cbtype_+1)[c]&_P) |
| #define isalnum(c) ((_cbtype_+1)[c]&(_U|_L|_N)) |
| #define isprint(c) ((_cbtype_+1)[c]&(_P|_U|_L|_N)) |
| #define iscntrl(c) ((_cbtype_+1)[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) |
