/*
	factorial.h
	Started by Jeff Ondich on 1/3/96
	Last modified 4/1/97

	This is the interface of the one-function
	"factorial library."  The implementation is specified in
	factorial.c.
*/

#ifndef FACTORIAL_H
#define FACTORIAL_H

/* Our library doesn't handle N! for N > 20 */
#define		MAX_N		20

/* Returns N! if N >= 0 and N <= MAX_N, 0 otherwise. */
int factorial( int N );

#endif