With the last print_host() contortions out of the way, this is only used
via print_addr() and can go. Make sa, buf, len local. Align variables.
Unindent the if (buf == NULL) path.

Index: iked.h
===================================================================
RCS file: /cvs/src/sbin/iked/iked.h,v
retrieving revision 1.216
diff -u -p -r1.216 iked.h
--- iked.h      13 Jun 2023 12:34:12 -0000      1.216
+++ iked.h      16 Jun 2023 04:58:59 -0000
@@ -1251,8 +1251,6 @@ struct in6_addr *
 uint32_t
         prefixlen2mask(uint8_t);
 const char *
-        print_host(struct sockaddr *, char *, size_t);
-const char *
         print_addr(void *);
 char   *get_string(uint8_t *, size_t);
 const char *
Index: util.c
===================================================================
RCS file: /cvs/src/sbin/iked/util.c,v
retrieving revision 1.41
diff -u -p -r1.41 util.c
--- util.c      13 Jun 2023 12:34:12 -0000      1.41
+++ util.c      14 Jun 2023 14:33:54 -0000
@@ -636,19 +636,20 @@ prefixlen2mask6(uint8_t prefixlen, uint3
 }
 
 const char *
-print_host(struct sockaddr *sa, char *buf, size_t len)
+print_addr(void *addr)
 {
-       static char     sbuf[IKED_CYCLE_BUFFERS][NI_MAXHOST + 7];
-       static int      idx = 0;
-       char            pbuf[7];
-       in_port_t       port;
-
-       if (buf == NULL) {
-               buf = sbuf[idx];
-               len = sizeof(sbuf[idx]);
-               if (++idx >= IKED_CYCLE_BUFFERS)
-                       idx = 0;
-       }
+       struct sockaddr *sa = addr;
+       static char      sbuf[IKED_CYCLE_BUFFERS][NI_MAXHOST + 7];
+       char            *buf;
+       size_t           len;
+       static int       idx = 0;
+       char             pbuf[7];
+       in_port_t        port;
+
+       buf = sbuf[idx];
+       len = sizeof(sbuf[idx]);
+       if (++idx >= IKED_CYCLE_BUFFERS)
+               idx = 0;
 
        if (sa->sa_family == AF_UNSPEC) {
                strlcpy(buf, "any", len);
@@ -667,12 +668,6 @@ print_host(struct sockaddr *sa, char *bu
        }
 
        return (buf);
-}
-
-const char *
-print_addr(void *addr)
-{
-       return print_host(addr, NULL, 0);
 }
 
 char *

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