Subversion Repositories shark

#ifndef _LINUX_CTYPE_H

#define _LINUX_CTYPE_H

/*

 * NOTE! This ctype does not handle EOF like the standard C

 * library is required to.

 */

#define _U      0x01    /* upper */

#define _L      0x02    /* lower */

#define _D      0x04    /* digit */

#define _C      0x08    /* cntrl */

#define _P      0x10    /* punct */

#define _S      0x20    /* white space (space/lf/tab) */

#define _X      0x40    /* hex digit */

#define _SP     0x80    /* hard space (0x20) */

extern unsigned char _ctype[];

#define __ismask(x) (_ctype[(int)(unsigned char)(x)])

#define isalnum(c)      ((__ismask(c)&(_U|_L|_D)) != 0)

#define isalpha(c)      ((__ismask(c)&(_U|_L)) != 0)

#define iscntrl(c)      ((__ismask(c)&(_C)) != 0)

#define isdigit(c)      ((__ismask(c)&(_D)) != 0)

#define isgraph(c)      ((__ismask(c)&(_P|_U|_L|_D)) != 0)

#define islower(c)      ((__ismask(c)&(_L)) != 0)

#define isprint(c)      ((__ismask(c)&(_P|_U|_L|_D|_SP)) != 0)

#define ispunct(c)      ((__ismask(c)&(_P)) != 0)

#define isspace(c)      ((__ismask(c)&(_S)) != 0)

#define isupper(c)      ((__ismask(c)&(_U)) != 0)

#define isxdigit(c)     ((__ismask(c)&(_D|_X)) != 0)

#define isascii(c) (((unsigned char)(c))<=0x7f)

#define toascii(c) (((unsigned char)(c))&0x7f)

static inline unsigned char __tolower(unsigned char c)

{

        if (isupper(c))

                c -= 'A'-'a';

        return c;

}

static inline unsigned char __toupper(unsigned char c)

{

        if (islower(c))

                c -= 'a'-'A';

        return c;

}

#define tolower(c) __tolower(c)

#define toupper(c) __toupper(c)

#endif