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

    Copyright(C) Jonas 'Sortie' Termansen 2011.

    This file is part of the Sortix C Library.

    The Sortix C Library is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as published by
    the Free Software Foundation, either version 3 of the License, or (at your
    option) any later version.

    The Sortix C Library 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 Lesser General Public
    License for more details.

    You should have received a copy of the GNU Lesser General Public License
    along with the Sortix C Library. If not, see <http://www.gnu.org/licenses/>.

    ctype/isxdigit.c
    Returns whether the character is a hexadecimal digit.

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

#include <ctype.h>

int isxdigit(int c)
{
	if ( isdigit(c) )
		return 1;
	if ( 'a' <= c && c <= 'f' )
		return 1;
	if ( 'A' <= c && c <= 'F' )
		return 1;
	return 0;
}