Power without (pow) function

#include<stdio.h>
int main()
{
    int base,power,sum=1,i;
    printf("enter base: ");
    scanf("%d",&base);
    printf("enter power: ");
    scanf("%d",&power);
    for (i=1; i<=power; i++)
    {
       sum=sum*base;
    }
    printf("%d", sum);
    return 0;
}