    ARMTREE_NULL      161 clib/armtree.c    while(rov != ARMTREE_NULL)
    ARMTREE_NULL      192 clib/armtree.c    if (armtree_head != ARMTREE_NULL)
    ARMTREE_NULL      195 clib/armtree.c       prev = ARMTREE_NULL;
    ARMTREE_NULL      205 clib/armtree.c    if ((rov = (struct armtree_entry *)malloc(size)) == ARMTREE_NULL)
    ARMTREE_NULL      229 clib/armtree.c    while(rov != ARMTREE_NULL)
    ARMTREE_NULL      237 clib/armtree.c    armtree_head = ARMTREE_NULL;
    ARMTREE_NULL      244 clib/armtree.c    while(rov != ARMTREE_NULL)