#ifndef _CTYPE_H_
#define _CTYPE_H_
/*
** All character classification functions except isascii().
** Integer argument (c) must be in ASCII range (0-127) for
** dependable answers.
*/
#include <stddef.h>
#define __ALNUM 1
#define __ALPHA 2
#define __CNTRL 4
#define __DIGIT 8
#define __GRAPH 16
#define __LOWER 32
#define __PRINT 64
#define __PUNCT 128
#define __BLANK 256
#define __UPPER 512
#define __XDIGIT 1024
#ifdef _BUILD_LIBC
extern unsigned short __is[129];
#else
extern unsigned short* __is;
#endif
#define isalnum(c) (__is[c + 1] & __ALNUM) /* 'a'-'z', 'A'-'Z', '0'-'9' */
#define isalpha(c) (__is[c + 1] & __ALPHA) /* 'a'-'z', 'A'-'Z' */
#define iscntrl(c) (__is[c + 1] & __CNTRL) /* 0-31, 127 */
#define isdigit(c) (__is[c + 1] & __DIGIT) /* '0'-'9' */
#define isgraph(c) (__is[c + 1] & __GRAPH) /* '!'-'~' */
#define islower(c) (__is[c + 1] & __LOWER) /* 'a'-'z' */
#define isprint(c) (__is[c + 1] & __PRINT) /* ' '-'~' */
#define ispunct(c) (__is[c + 1] & __PUNCT) /* !alnum && !cntrl && !space */
#define isspace(c) (__is[c + 1] & __BLANK) /* HT, LF, VT, FF, CR, ' ' */
#define isupper(c) (__is[c + 1] & __UPPER) /* 'A'-'Z' */
#define isxdigit(c) (__is[c + 1] & __XDIGIT) /* '0'-'9', 'a'-'f', 'A'-'F' */
#define isascii(c) (!((c) & (~0x7f)))
#define toascii(c) ((c)&0x7f)
DLLAPI int tolower(int c);
DLLAPI int toupper(int c);
#endif