ctype.h

来自「MIPS架构UCOS-ii移植例程」· C头文件 代码 · 共 76 行

/**************************************************************************
*                                                                         *
*   PROJECT     : TMON (Transparent monitor)                              *
*                                                                         *
*   MODULE      : CTYPE.h                                                 *
*                                                                         *
*   AUTHOR      : Michael Anburaj                                         *
*                 URL  : http://geocities.com/michaelanburaj/             *
*                 EMAIL: [e-mail]                       *
*                                                                         *
*   PROCESSOR   : MIPS 4Kc (32 bit RISC) - ATLAS board                    *
*                                                                         *
*   TOOL-CHAIN  : SDE & Cygnus                                            *
*                                                                         *
*   DESCRIPTION :                                                         *
*   This is a std header file.                                            *
*                                                                         *
**************************************************************************/


#ifndef	__CTYPE_H__
#define	__CTYPE_H__

#ifdef __cplusplus
extern "C" {
#endif


/* ********************************************************************* */
/* Module configuration */


/* ********************************************************************* */
/* Interface macro & data definition */

#define _UPC	0x1
#define _LWR	0x2
#define _DIG	0x4
#define _SPC	0x8
#define _PUN	0x10
#define _CTR	0x20
#define _HEX	0x40
#define _BLK	0x80

extern	char	_ctype[];

#define isalpha(c)	((_ctype)[(unsigned char)(c)]&(_UPC|_LWR))
#define isupper(c)	((_ctype)[(unsigned char)(c)]&_UPC)
#define islower(c)	((_ctype)[(unsigned char)(c)]&_LWR)
#define isdigit(c)	((_ctype)[(unsigned char)(c)]&_DIG)
#define isxdigit(c)	((_ctype)[(unsigned char)(c)]&(_DIG|_HEX))
#define isspace(c)	((_ctype)[(unsigned char)(c)]&_SPC)
#define ispunct(c)	((_ctype)[(unsigned char)(c)]&_PUN)
#define isalnum(c)	((_ctype)[(unsigned char)(c)]&(_UPC|_LWR|_DIG))
#define isprint(c)	((_ctype)[(unsigned char)(c)]&(_PUN|_UPC|_LWR|_DIG|_BLK))
#define isgraph(c)	((_ctype)[(unsigned char)(c)]&(_PUN|_UPC|_LWR|_DIG))
#define iscntrl(c)	((_ctype)[(unsigned char)(c)]&_CTL)
#define isascii(c)	((unsigned)(c)<=0x7f)
#define toascii(c)	((unsigned char)(c)&0x7f)


/* ********************************************************************* */
/* Interface function definition */

extern int toupper(int);
extern int tolower(int);


/* ********************************************************************* */

#ifdef __cplusplus
}
#endif

#endif	/* __CTYPE_H__ */