ft_interative_power

#include <unistd.h>

int	ft_interative_power(int nb, int power)
{
	int	i;
	int	num;

	i = 0;
	num = 1;
	if (power < 0)
		return (0);
	while (i < power)
	{
		num *= nb;
		i++;
	}
	return (num);
}