Desktop/xinu_mips-1.0.2.tar/xinu_mips-1.0.2/include/ctype.h

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/* Embedded XINU, Copyright (C) 2007.  All rights reserved. */

#ifndef _CTYPE_H_
#define _CTYPE_H_

#define _U      0001
#define _L      0002
#define _N      0004
#define _S      0010
#define _P      0020
#define _C      0040
#define _X      0100

extern  char    _ctype_[];

#define isalpha(c)      ((_ctype_+1)[(int)c]&(_U|_L))
#define isupper(c)      ((_ctype_+1)[(int)c]&_U)
#define islower(c)      ((_ctype_+1)[(int)c]&_L)
#define isdigit(c)      ((_ctype_+1)[(int)c]&_N)
#define isxdigit(c)     ((_ctype_+1)[(int)c]&(_N|_X))
#define isspace(c)      ((_ctype_+1)[(int)c]&_S)
#define ispunct(c)      ((_ctype_+1)[(int)c]&_P)
#define isalnum(c)      ((_ctype_+1)[(int)c]&(_U|_L|_N))
#define isprshort(c)    ((_ctype_+1)[(int)c]&(_P|_U|_L|_N))
#define isprint(c)      ((_ctype_+1)[(int)c]&(_P|_U|_L|_N|_S))
#define iscntrl(c)      ((_ctype_+1)[(int)c]&_C)
#define isascii(c)      ((unsigned)((int)(c))<=0177)
#define toupper(c)      (((int)(c))-'a'+'A')
#define tolower(c)      (((int)(c))-'A'+'a')
#define toascii(c)      (((int)(c))&0177)

#define ishexnumber(c) (isdigit(c) || \
                (isalpha(c) && c >= (isupper(c) ? 'A' : 'a') && \
                c <= (isupper(c) ? 'F' : 'f')))

#endif

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