Puntero

#include <stdio.h>
#include <string.h>

int main(){

 float n1=7.3,n2,*ptrf;
    ptrf=&n1;
        printf("\n *ptrf = %.4f",*ptrf);
        n2=*ptrf;
        printf("\n n2 = %.4f",n2);
        printf("\n n1 = %d",&n1);
        printf("\n ptrf = %d",ptrf);
        ptrf=&n2;
        *ptrf=8.1;
        printf("\n n1 = %.4f",n1);
        printf("\n n2 = %.4f",n2);
    return 0;
}