/* recurse.c */

/*
	Purpose: Demonstrate a recursive function
*/

#include <stdio.h>


int factorial( int num )
{
	if( 0 == num )
	{
		return 1;
	}
	else
	{
		return num * factorial(num - 1);
	}
}


int main( int argc, char* argv[])
{
	int num = 4;
	printf( "\n%i factorial = %i\n\n", num, factorial(num) );
	return 0;
}