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Defines | |
#define | _U 0001 |
#define | _L 0002 |
#define | _N 0004 |
#define | _S 0010 |
#define | _P 0020 |
#define | _C 0040 |
#define | _X 0100 |
#define | isalpha(c) ((_ctype_+1)[(int)c]&(_U|_L)) |
#define | isupper(c) ((_ctype_+1)[(int)c]&_U) |
#define | islower(c) ((_ctype_+1)[(int)c]&_L) |
#define | isdigit(c) ((_ctype_+1)[(int)c]&_N) |
#define | isxdigit(c) ((_ctype_+1)[(int)c]&(_N|_X)) |
#define | isspace(c) ((_ctype_+1)[(int)c]&_S) |
#define | ispunct(c) ((_ctype_+1)[(int)c]&_P) |
#define | isalnum(c) ((_ctype_+1)[(int)c]&(_U|_L|_N)) |
#define | isprshort(c) ((_ctype_+1)[(int)c]&(_P|_U|_L|_N)) |
#define | isprint(c) ((_ctype_+1)[(int)c]&(_P|_U|_L|_N|_S)) |
#define | iscntrl(c) ((_ctype_+1)[(int)c]&_C) |
#define | isascii(c) ((unsigned)((int)(c))<=0177) |
#define | toupper(c) (((int)(c))-'a'+'A') |
#define | tolower(c) (((int)(c))-'A'+'a') |
#define | toascii(c) (((int)(c))&0177) |
#define | ishexnumber(c) |
Variables | |
char | _ctype_ [] |
Definition in file ctype.h.
#define isdigit | ( | c | ) | ((_ctype_+1)[(int)c]&_N) |
#define ishexnumber | ( | c | ) |
#define isupper | ( | c | ) | ((_ctype_+1)[(int)c]&_U) |
#define tolower | ( | c | ) | (((int)(c))-'A'+'a') |