/** void point, generic type **/

#include <stdio.h>

void echo(void *data, int size)
{
  char *charp;
  int *intp;
  
  if (size==sizeof(char))
  {
    charp=(char *)data;
    printf("char %c\n", *charp);
  }
  else if (size==sizeof(int))
  {
    intp=(int *)data;
    printf("int %d\n",*intp); 
  }

}

int main()
{
  int a=23;
  char c='A';

  echo(&a,sizeof(a));
  echo(&c,sizeof(c));

  return 0;
}