PCTRIE_ISLEAF
return (((uintptr_t)node & PCTRIE_ISLEAF) != 0);
return ((void *)((uintptr_t)val | PCTRIE_ISLEAF));
#define PCTRIE_NULL (struct pctrie_node *)PCTRIE_ISLEAF
#define PCTRIE_FLAGS (PCTRIE_ISLEAF)