void pointer example

// example void pointer by Cooler_
#include <stdio.h>

void foo(void *point,int size)
{
// int == 4 bytes
 if(size==sizeof(int))
  printf("int : %d , bytes: %d\n",*(int *)point,sizeof(point));

// double == 8 bytes
 if(size==sizeof(double))
  printf("double : %f , bytes: %d\n",*(double *)point,sizeof(double));
}

int main()
{
 int a=64;
 double b=3.14;
 void *o=&b,*z=&a;

 printf("bytes of void : %d\n",sizeof(void));
 foo(z,sizeof(int));
 foo(o,sizeof(double));

 return 0;
}