Print fibonacci series upto n: Without recursion

#include <stdio.h>

int main()
{
    int first=0,second=1,next,i,n;
    printf("Enter the limit: ");
    scanf("%d",&n);
    for(i=0; i<=n-1; i++)
    {
        if(i<=1)
            next = i;
        else
        {
            next = first + second;
            first = second;
            second = next;
        }
        printf("%d ",next);
    }
}