ctype.h

T－kernel Tcp/ip Protocol Stack Sample

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 * Copyright (C) 2001-2004 MITSUBISHI ELECTRIC CORPORATION and
 * RENESAS SOLUTIONS CORPORATION
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#ifndef _CTYPE_H_
#define	_CTYPE_H_

#define _U		0x01	/* char is upper */
#define _L		0x02	/* char is lower */
#define _D		0x04	/* char is digit */
#define _S		0x08	/* char is space */
#define _P		0x10	/* char is printable */
#define _C		0x20	/* char is control charactor */
#define _H		0x40	/* char is hex decimal digit */
#define _B		0x80	/* char is 0x20 */

#define __CTYPE _ctype

extern unsigned char __CTYPE[] ;

#define ____ctypeof(c) ((__CTYPE+1)[(sizeof(c)==1)?((unsigned char)(c)):(c)])

#define _UPPER          _U
#define _LOWER          _L
#define _DIGIT          _D
#define _SPACE          _S
#define _PUNCT          _P
#define _CONTROL        _C
#define _HEXDIGIT       _H
#define _BLANK          _B

#define isalnum(ch) (____ctypeof(ch)&(_UPPER|_LOWER|_DIGIT))
#define isalpha(ch) (____ctypeof(ch)&(_UPPER|_LOWER))
#define iscntrl(ch) (____ctypeof(ch)&(_CONTROL))
#define isdigit(ch) (____ctypeof(ch)&(_DIGIT))
#define isgraph(ch) (____ctypeof(ch)&(_UPPER|_LOWER|_DIGIT|_PUNCT))
#define isprint(ch) (____ctypeof(ch)&(_UPPER|_LOWER|_DIGIT|_PUNCT|_BLANK))
#define islower(ch) (____ctypeof(ch)&(_LOWER))
#define ispunct(ch) (____ctypeof(ch)&(_PUNCT))
#define isspace(ch) (____ctypeof(ch)&(_SPACE))
#define isupper(ch) (____ctypeof(ch)&(_UPPER))
#define isxdigit(ch) (____ctypeof(ch)&(_DIGIT|_HEXDIGIT))

#define isascii(ch) ((unsigned)(ch)<=0x7f)
#define toascii(ch) ((ch)&0x7f)
#define iscntl(ch)  (iscntrl(ch))
#define tolower(ch) (isupper(ch)?(ch)-'A'+'a':(ch))
#define toupper(ch) (islower(ch)?(ch)-'a'+'A':(ch))

#endif /* !_CTYPE_H_ */