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/* vi: set sw=4 ts=4: */
/*
* ctype.h
* Character classification and conversion
*
* Copyright (C) 2000 by Lineo, inc.
* Copyright (C) 2000,2001 Erik Andersen <andersee@debian.org>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU Library General Public License as published by
* the Free Software Foundation; either version 2 of the License, 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 Library General Public License
* for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#ifndef __CTYPE_H
#define __CTYPE_H
#include <features.h>
__BEGIN_DECLS
/* function prototpes */
extern int isalnum(int c);
extern int isalpha(int c);
extern int isascii(int c);
extern int iscntrl(int c);
extern int isdigit(int c);
extern int isgraph(int c);
extern int islower(int c);
extern int isprint(int c);
extern int ispunct(int c);
extern int isspace(int c);
extern int isupper(int c);
extern int isxdigit(int c);
extern int isxlower(int c);
extern int isxupper(int c);
extern int toascii(int c);
extern int tolower(int c);
extern int toupper(int c);
/* Locale-compatible macros/inlines have yet to be implemented. */
#if defined(__USE_CTYPE_MACROS) && !defined __UCLIBC_HAS_LOCALE__
/* macro definitions */
#define isalnum(c) (isalpha(c) || isdigit(c))
#define isalpha(c) (isupper(c) || islower(c))
#define isascii(c) (c > 0 && c <= 0x7f)
#define iscntrl(c) ((c >= 0) && ((c <= 0x1F) || (c == 0x7f)))
#define isdigit(c) (c >= '0' && c <= '9')
#define isgraph(c) (c != ' ' && isprint(c))
#define islower(c) (c >= 'a' && c <= 'z')
#define isprint(c) (c >= ' ' && c <= '~')
#define ispunct(c) ((c > ' ' && c <= '~') && !isalnum(c))
#define isspace(c) (c == ' ' || c == '\f' || c == '\n' || c == '\r' ||\
c == '\t' || c == '\v')
#define isupper(c) (c >= 'A' && c <= 'Z')
#define isxdigit(c) (isxupper(c) || isxlower(c))
#define isxlower(c) (isdigit(c) || (c >= 'a' && c <= 'f'))
#define isxupper(c) (isdigit(c) || (c >= 'A' && c <= 'F'))
#define toascii(c) (c & 0x7f)
#define tolower(c) (isupper(c) ? ( c - 'A' + 'a') : (c))
#define toupper(c) (islower(c) ? (c - 'a' + 'A') : (c))
#endif
__END_DECLS
#endif /* __CTYPE_H */
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