// This is a first example of how you should NOT create arrays.
// In particular, look at function make_array,
// and how it creates array x.
// Compare to good_example1.cpp.
//
// Note: this code produces a warning when compiled with Visual Studio,
// but runs without crashing. When I run it on Linux, it crashes.
// Either way, this code does not comply with C standards.


#include <stdio.h>
#include <stdlib.h>


int * make_array(int length)
{
  // bad way
  int x[2];

  // good way
  // int * x = (int *) malloc(sizeof(int) * length);

  x[0] = 10;
  x[1] = 20;

  return x;
}


int main()
{
  int * x = make_array(2);
  printf("x[0] = %d\n", x[0]);

  free(x);

  return 0;
}