/*-------------------------------------------------------------------------
ctype.h - ANSI functions forward declarations
Written By - Sandeep Dutta . sandeep.dutta@usa.net (1998)
Revisions:
1.0 - June.1.2000 1.0 - Bela Torok / bela.torok@kssg.ch
order: function definitions -> macros
corretced macro: isalpha(c)
added macros: _tolower(c), _toupper(c), tolower(c), toupper(c) toascii(c)
This program is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 2, or (at your option) any
later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
In other words, you are welcome to use, share and improve this program.
You are forbidden to forbid anyone else to use, share and improve
what you give them. Help stamp out software-hoarding!
-------------------------------------------------------------------------*/
#ifndef __SDC51_CTYPE_H
#define __SDC51_CTYPE_H 1
#include <sdcc-lib.h>
#ifdef SDCC_STACK_AUTO
extern char iscntrl (unsigned char ) _REENTRANT ;
extern char isdigit (unsigned char ) _REENTRANT ;
extern char isgraph (unsigned char ) _REENTRANT ;
extern char islower (unsigned char ) _REENTRANT ;
extern char isupper (unsigned char ) _REENTRANT ;
extern char isprint (unsigned char ) _REENTRANT ;
extern char ispunct (unsigned char ) _REENTRANT ;
extern char isspace (unsigned char ) _REENTRANT ;
extern char isxdigit (unsigned char ) _REENTRANT ;
#else
extern char iscntrl (unsigned char ) ;
extern char isdigit (unsigned char ) ;
extern char isgraph (unsigned char ) ;
extern char islower (unsigned char ) ;
extern char isupper (unsigned char ) ;
extern char isprint (unsigned char ) ;
extern char ispunct (unsigned char ) ;
extern char isspace (unsigned char ) ;
extern char isxdigit (unsigned char ) ;
#endif
#define isalnum(c) (isalpha(c) || isdigit(c))
#define isalpha(c) (isupper(c) || islower(c))
/* ANSI versions of _tolower & _toupper
#define _tolower(c) ((c) - ('a' - 'A'))
#define _toupper(c) ((c) + ('a' - 'A'))
*/
/* The _tolower & _toupper functions below can applied to any
alpha characters regardless of the case (upper or lower) */
#define _tolower(c) ((c) | ('a' - 'A'))
#define _toupper(c) ((c) & ~('a' - 'A'))
#define tolower(c) ((isupper(c)) ? _tolower(c) : (c))
#define toupper(c) ((islower(c)) ? _toupper(c) : (c))
#define toascii(c) ((c) & 0x7F)
#endif