void fun ( int *p1, int *p2 );

int main ( void )
{
  int i = 0, j = 0;

  fun ( &i, &j );

  return ( 0 );
}

void fun ( p1, p2 )  //违背1
int *p1;
int *p2;
{
  *p1 = *p1 + 1;
  *p2 = *p2 + 2;
}