return (struct Strtab *) calloc (1, sizeof (struct Strtab));
ret = (struct Strtab *) calloc (1, sizeof (struct Strtab)); if (ret != NULL) { ret->null.len = 1; ret->null.string = ""; } return ret;
strtabinit (void){  if (ps == 0)    {      ps = sysconf (_SC_PAGESIZE) - 2 * sizeof (void *);      assert (sizeof (struct memoryblock) < ps);    }  return (struct Strtab *) calloc (1, sizeof (struct Strtab));}