#include <stdint.h>

void example ( void )
{
/* ----------------- Example code from MISRA C:2012 begin ----------------- */

  int32_t *p1 = 0;                /* Non-compliant */
  int32_t *p2 = ( void * ) 0;     /* Compliant     */

  #define MY_NULL_1 0
  #define MY_NULL_2 ( void * ) 0

  if ( p1 == MY_NULL_1 )          /* Non-compliant */
  {
  }
  if ( p2 == MY_NULL_2 )          /* Compliant     */
  {
  }

/* ------------------ Example code from MISRA C:2012 end ------------------ */
}

void goodExample ( void )
{
/* ----------------- Example code from MISRA C:2012 begin ----------------- */

  #include <stddef.h>

  extern void f ( uint8_t *p );

  f ( NULL );                     /* Compliant     */

/* ------------------ Example code from MISRA C:2012 end ------------------ */
}