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

void fake_printf(void) {
  puts("GOT overwriten !");
}

int main(int argc, char **argv) {
  unsigned int *p = (void*)(strtol(argv[1], NULL, 0));

  *p = (unsigned int)fake_printf;
  printf("Overwrite %p : OK !\n", p);

  return 0;
}