Rename nexthop_compare to nexthop_cmp and make it static inline.
It is only used by the nexthop_tree RB tree.

-- 
:wq Claudio

Index: rde.h
===================================================================
RCS file: /cvs/src/usr.sbin/bgpd/rde.h,v
diff -u -p -r1.302 rde.h
--- rde.h	22 May 2024 08:41:14 -0000	1.302
+++ rde.h	27 May 2024 09:42:19 -0000
@@ -680,7 +680,6 @@ void		 nexthop_update(struct kroute_next
 struct nexthop	*nexthop_get(struct bgpd_addr *);
 struct nexthop	*nexthop_ref(struct nexthop *);
 int		 nexthop_unref(struct nexthop *);
-int		 nexthop_compare(struct nexthop *, struct nexthop *);
 
 /* rde_update.c */
 void		 up_generate_updates(struct rde_peer *, struct rib_entry *);
Index: rde_rib.c
===================================================================
RCS file: /cvs/src/usr.sbin/bgpd/rde_rib.c,v
diff -u -p -r1.261 rde_rib.c
--- rde_rib.c	16 Oct 2023 10:25:46 -0000	1.261
+++ rde_rib.c	28 May 2024 10:53:34 -0000
@@ -1644,7 +1644,10 @@ TAILQ_HEAD(nexthop_queue, nexthop)	nexth
 
 RB_HEAD(nexthop_tree, nexthop)		nexthoptable =
 					    RB_INITIALIZER(&nexthoptree);
-RB_GENERATE_STATIC(nexthop_tree, nexthop, entry, nexthop_compare);
+
+static inline int nexthop_cmp(struct nexthop *, struct nexthop *);
+
+RB_GENERATE_STATIC(nexthop_tree, nexthop, entry, nexthop_cmp);
 
 void
 nexthop_shutdown(void)
@@ -1834,7 +1837,7 @@ nexthop_get(struct bgpd_addr *nexthop)
 	if (nh == NULL) {
 		nh = calloc(1, sizeof(*nh));
 		if (nh == NULL)
-			fatal("nexthop_alloc");
+			fatal("nexthop_get");
 		rdemem.nexthop_cnt++;
 
 		LIST_INIT(&nh->prefix_h);
@@ -1882,8 +1885,8 @@ nexthop_unref(struct nexthop *nh)
 	return (1);
 }
 
-int
-nexthop_compare(struct nexthop *na, struct nexthop *nb)
+static inline int
+nexthop_cmp(struct nexthop *na, struct nexthop *nb)
 {
 	struct bgpd_addr	*a, *b;