/* Fig. 5.14: fig05_14.c
	Recursive factorial function */
	#include <stdio.h>
	long factorial( long number );
	int main( void )
	{
	int i;
	for ( i = 0; i <= 10; i++ ) {
	printf( "%2d! = %ld\n", i, factorial( i ) );
	}
	return 0;
	}
	long factorial( long number )
	{
	if ( number <= 1 ) {
	return 1;
	}
	else {
	return ( number * factorial( number - 1 ) );
	}
	}