radix_mask
static struct radix_mask *
rn_new_radix_mask(register struct radix_node *tt, register struct radix_mask *next)
register struct radix_mask *m;
m = (struct radix_mask *)malloc(sizeof(struct radix_mask));
static struct radix_mask *rn_mkfreelist;
register struct radix_mask *m;
static struct radix_mask *rn_new_radix_mask(struct radix_node *tt,
struct radix_mask *m, **mp;
struct radix_mask *next);
struct radix_mask *m, *saved_m, **mp;
struct radix_mask *mm = m->rm_mklist;
struct radix_mask *rn_mklist; /* list of masks contained in subtree */
struct radix_mask *rm_mklist; /* more masks to try */