Q.finding nth term of fibnoc series

fib.c

/* finding n th term of fibnoci series*/
#include <stdio.h>

int fibnoci(int i);
int main()
{
    int fib, n;
    printf(" Enter number :");
    scanf("%d", &n);
    fib = fibnoci(n);
    printf(" fibnoci of %d is =%d", n, fib);
}

int fibnoci(int i)
{
    if (i == 0 || i == 1)
    {
        if (i == 0)
        {
            return 0;
        }
        else
            return 1;
    }
    else
        return fibnoci(i - 1) + fibnoci(i - 2);
}