char *emalloc(unsigned size) {
  void *ptr = rblf_malloc(size);
  if (ptr)
    rblf_mtrack(ptr);  
  else
    oom();  
  return ptr;
}

char *ezalloc(unsigned size) {
  void *ptr = rblf_calloc(1, size);
  if (ptr)
    rblf_mtrack(ptr);
  else
    oom();
  return ptr;
}

char *erealloc(void *ptr, unsigned size) {
  void *nptr = rblf_realloc(ptr, size);
  if (nptr) {
    rblf_mtrack_forget(ptr);
    rblf_mtrack(nptr);
  }
  else
    oom();
  return nptr;
}