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

typedef struct {
  int val;
} STest;

int getVal(STest* data) { return data->val; }

int main (int argc, char *argv[])
{
  STest* data = (STest*)malloc(sizeof(STest));
  data->val = 123;

  assert(getVal(data) != 456);
  int ok = (getVal(data) == 123);

  if (argc > 1) {
    fprintf(stdout, "val=%d\n", data->val);
  }

  free(data);

  if (!ok) abort();

  return EXIT_SUCCESS;
}