1 /*-------------------------------------------------------------------------
2 ctype.h - ANSI functions forward declarations
4 Written By - Sandeep Dutta . sandeep.dutta@usa.net (1998)
7 1.0 - June.1.2000 1.0 - Bela Torok / bela.torok@kssg.ch
8 order: function definitions -> macros
9 corretced macro: isalpha(c)
10 added macros: _tolower(c), _toupper(c), tolower(c), toupper(c) toascii(c)
13 This program is free software; you can redistribute it and/or modify it
14 under the terms of the GNU General Public License as published by the
15 Free Software Foundation; either version 2, or (at your option) any
18 This program is distributed in the hope that it will be useful,
19 but WITHOUT ANY WARRANTY; without even the implied warranty of
20 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 GNU General Public License for more details.
23 You should have received a copy of the GNU General Public License
24 along with this program; if not, write to the Free Software
25 Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
27 In other words, you are welcome to use, share and improve this program.
28 You are forbidden to forbid anyone else to use, share and improve
29 what you give them. Help stamp out software-hoarding!
30 -------------------------------------------------------------------------*/
32 #ifndef __SDC51_CTYPE_H
33 #define __SDC51_CTYPE_H 1
37 #ifdef SDCC_STACK_AUTO
39 extern char iscntrl (unsigned char ) _REENTRANT ;
40 extern char isdigit (unsigned char ) _REENTRANT ;
41 extern char isgraph (unsigned char ) _REENTRANT ;
42 extern char islower (unsigned char ) _REENTRANT ;
43 extern char isupper (unsigned char ) _REENTRANT ;
44 extern char isprint (unsigned char ) _REENTRANT ;
45 extern char ispunct (unsigned char ) _REENTRANT ;
46 extern char isspace (unsigned char ) _REENTRANT ;
47 extern char isxdigit (unsigned char ) _REENTRANT ;
51 extern char iscntrl (unsigned char ) ;
52 extern char isdigit (unsigned char ) ;
53 extern char isgraph (unsigned char ) ;
54 extern char islower (unsigned char ) ;
55 extern char isupper (unsigned char ) ;
56 extern char isprint (unsigned char ) ;
57 extern char ispunct (unsigned char ) ;
58 extern char isspace (unsigned char ) ;
59 extern char isxdigit (unsigned char ) ;
63 #define isalnum(c) (isalpha(c) || isdigit(c))
64 #define isalpha(c) (isupper(c) || islower(c))
66 /* ANSI versions of _tolower & _toupper
67 #define _tolower(c) ((c) - ('a' - 'A'))
68 #define _toupper(c) ((c) + ('a' - 'A'))
71 /* The _tolower & _toupper functions below can applied to any
72 alpha characters regardless of the case (upper or lower) */
73 #define _tolower(c) ((c) | ('a' - 'A'))
74 #define _toupper(c) ((c) & ~('a' - 'A'))
76 #define tolower(c) ((isupper(c)) ? _tolower(c) : (c))
77 #define toupper(c) ((islower(c)) ? _toupper(c) : (c))
78 #define toascii(c) ((c) & 0x7F)