text: #include <stdio.h>
  #include <stdlib.h>
  
  int main (int argc, char *argv[])
  {
      char *p1, x = 'a';
  
      p1 = &x;
  
      printf("p1: %d \n", p1);
      printf("&x: %d \n", &x);
      printf("x: %c \n", x);
  
      p1++;
  
      printf("p1: %d \n", p1);
      printf("&x: %d \n", &x);
      printf("x: %c \n", x);
  
  
      return 0;
  }
  