auth_xfer_cmp
rbtree_init(&az->xtree, &auth_xfer_cmp);
int auth_xfer_cmp(const void* z1, const void* z2);
else if(fptr == &auth_xfer_cmp) return 1;
rbtree_init(&az->xtree, &auth_xfer_cmp);
int auth_xfer_cmp(const void* z1, const void* z2);
else if(fptr == &auth_xfer_cmp) return 1;