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

main()
{

  int y;
  int z;
  char *x;
  y = 10;

  printf("Valor de y = %d\n", y);
  printf("Valor de z = %d\n", z);
  strcpy(x,"Hello world! This is a long string");
  printf("Valor de x = %s\n", x);
}