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#ifndef _CTYPE_H_

#ifdef __cplusplus

extern "C" {

#endif

#define _CTYPE_H_

#include "_ansi.h"

int _EXFUN(isalnum, (int c));

int _EXFUN(isalpha, (int c));

int _EXFUN(iscntrl, (int c));

int _EXFUN(isdigit, (int c));

int _EXFUN(isgraph, (int c));

int _EXFUN(islower, (int c));

int _EXFUN(isprint, (int c));

int _EXFUN(ispunct, (int c));

int _EXFUN(isspace, (int c));

int _EXFUN(isupper, (int c));

int _EXFUN(isxdigit,(int c));

int _EXFUN(tolower, (int c));

int _EXFUN(toupper, (int c));

#ifndef _STRICT_ANSI

int _EXFUN(isascii, (int c));

int _EXFUN(toascii, (int c));

int _EXFUN(_tolower, (int c));

int _EXFUN(_toupper, (int c));

#endif

#define _U      01

#define _L      02

#define _N      04

#define _S      010

#define _P      020

#define _C      040

#define _X      0100

#define _B      0200

extern  _CONST char     _ctype_[];

#define isalpha(c)      ((_ctype_+1)[c]&(_U|_L))

#define isupper(c)      ((_ctype_+1)[c]&_U)

#define islower(c)      ((_ctype_+1)[c]&_L)

#define isdigit(c)      ((_ctype_+1)[c]&_N)

#define isxdigit(c)     ((_ctype_+1)[c]&(_X|_N))

#define isspace(c)      ((_ctype_+1)[c]&_S)

#define ispunct(c)      ((_ctype_+1)[c]&_P)

#define isalnum(c)      ((_ctype_+1)[c]&(_U|_L|_N))

#define isprint(c)      ((_ctype_+1)[c]&(_P|_U|_L|_N|_B))

#define isgraph(c)      ((_ctype_+1)[c]&(_P|_U|_L|_N))

#define iscntrl(c)      ((_ctype_+1)[c]&_C)

/* Non-gcc versions will get the library versions, and will be

   slightly slower */

#ifdef __GNUC__

# define toupper(c) \

        ({ int __x = (c); islower(__x) ? (__x - 'a' + 'A') : __x;})

# define tolower(c) \

        ({ int __x = (c); isupper(__x) ? (__x - 'A' + 'a') : __x;})

#endif

#ifndef _STRICT_ANSI

#define isascii(c)      ((unsigned)(c)<=0177)

#define toascii(c)      ((c)&0177)

#endif

#ifdef __cplusplus

}

#endif

#endif /* _CTYPE_H_ */