mes-m2/functions/in_set.c

/* Copyright (C) 2016 Jeremiah Orians
 * Copyright (C) 2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
 * This file is part of mes-m2.
 *
 * mes-m2 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 3 of the License, or
 * (at your option) any later version.
 *
 * mes-m2 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 mes-m2.  If not, see <http://www.gnu.org/licenses/>.
 */

#define FALSE 0
// CONSTANT FALSE 0
#define TRUE 1
// CONSTANT TRUE 1

int in_set(int c, char* s)
{
	while(0 != s[0])
	{
		if(c == s[0]) return TRUE;
		s = s + 1;
	}
	return FALSE;
}