1/**************************************************************************** 2 **************************************************************************** 3 *** 4 *** This header was automatically generated from a Linux kernel header 5 *** of the same name, to make information necessary for userspace to 6 *** call into the kernel available to libc. It contains only constants, 7 *** structures, and macros generated from the original header, and thus, 8 *** contains no copyrightable information. 9 *** 10 **************************************************************************** 11 ****************************************************************************/ 12#ifndef _LINUX_CTYPE_H 13#define _LINUX_CTYPE_H 14 15#define _U 0x01 16#define _L 0x02 17#define _D 0x04 18#define _C 0x08 19#define _P 0x10 20#define _S 0x20 21#define _X 0x40 22#define _SP 0x80 23 24#define __ismask(x) (_ctype[(int)(unsigned char)(x)]) 25 26#define isalnum(c) ((__ismask(c)&(_U|_L|_D)) != 0) 27#define isalpha(c) ((__ismask(c)&(_U|_L)) != 0) 28#define iscntrl(c) ((__ismask(c)&(_C)) != 0) 29#define isdigit(c) ((__ismask(c)&(_D)) != 0) 30#define isgraph(c) ((__ismask(c)&(_P|_U|_L|_D)) != 0) 31#define islower(c) ((__ismask(c)&(_L)) != 0) 32#define isprint(c) ((__ismask(c)&(_P|_U|_L|_D|_SP)) != 0) 33#define ispunct(c) ((__ismask(c)&(_P)) != 0) 34#define isspace(c) ((__ismask(c)&(_S)) != 0) 35#define isupper(c) ((__ismask(c)&(_U)) != 0) 36#define isxdigit(c) ((__ismask(c)&(_D|_X)) != 0) 37 38#define isascii(c) (((unsigned char)(c))<=0x7f) 39#define toascii(c) (((unsigned char)(c))&0x7f) 40 41#define tolower(c) __tolower(c) 42#define toupper(c) __toupper(c) 43#endif 44