C function to extract n bits from p position of number x

Extract Binary digits

#include <stdio.h>

unsigned getbits(unsigned x,int p,int n);
int main()
{
    
    printf("%d",getbits(5, 4, 3));
    return 0;
    
}

unsigned getbits(unsigned x,int p,int n)
{
    return (x >> (p + 1 - n) & ~(~0 << n));
}