diff --git a/libc/include/netdb.h b/libc/include/netdb.h
index eb2d99f48..5ad7b4a0c 100644
--- a/libc/include/netdb.h
+++ b/libc/include/netdb.h
@@ -206,8 +206,8 @@ void endnetgrent(void);
 void endprotoent(void);
 void endservent(void);
 void freehostent(struct hostent *);
-struct hostent	*gethostbyaddr(const char *, int, int);
-int gethostbyaddr_r(const char *, int, int, struct hostent *, char *, size_t, struct hostent **, int *);
+struct hostent	*gethostbyaddr(const void *, int, int);
+int gethostbyaddr_r(const void *, int, int, struct hostent *, char *, size_t, struct hostent **, int *);
 struct hostent	*gethostbyname(const char *);
 int gethostbyname_r(const char *, struct hostent *, char *, size_t, struct hostent **, int *);
 struct hostent	*gethostbyname2(const char *, int);
diff --git a/libc/include/netinet/ip.h b/libc/include/netinet/ip.h
index 541905c13..629ed77b0 100644
--- a/libc/include/netinet/ip.h
+++ b/libc/include/netinet/ip.h
@@ -83,7 +83,7 @@ struct ip {
 #define	IPTOS_LOWDELAY		0x10
 #define	IPTOS_THROUGHPUT	0x08
 #define	IPTOS_RELIABILITY	0x04
-/*	IPTOS_LOWCOST		0x02 XXX */
+#define	IPTOS_MINCOST		0x02
 #if 1
 /* ECN RFC3168 obsoletes RFC2481, and these will be deprecated soon. */
 #define IPTOS_CE		0x01	/* congestion experienced */
diff --git a/libc/netbsd/gethnamaddr.c b/libc/netbsd/gethnamaddr.c
index 728801f2e..9a9f6e240 100644
--- a/libc/netbsd/gethnamaddr.c
+++ b/libc/netbsd/gethnamaddr.c
@@ -638,7 +638,7 @@ gethostbyname_internal(const char *name, int af, res_state res)
 }
 
 struct hostent *
-gethostbyaddr(const char *addr,	/* XXX should have been def'd as u_char! */
+gethostbyaddr(const void *addr,
     socklen_t len, int af)
 {
 	const u_char *uaddr = (const u_char *)addr;