diff --git a/lib/libc/net/ntoh.c b/lib/libc/net/ntoh.c
index 738d8c70c67..d658c90b68a 100644
--- a/lib/libc/net/ntoh.c
+++ b/lib/libc/net/ntoh.c
@@ -28,6 +28,8 @@
 __FBSDID("$FreeBSD$");
 
 #include <sys/endian.h>
+#define _BYTEORDER_FUNC_DEFINED
+#include <arpa/inet.h>
 
 uint32_t
 htonl(uint32_t hl)
diff --git a/lib/libc/net/sockatmark.c b/lib/libc/net/sockatmark.c
index ea32fe3a128..9337da5d5d3 100644
--- a/lib/libc/net/sockatmark.c
+++ b/lib/libc/net/sockatmark.c
@@ -26,6 +26,7 @@
  */
 #include "namespace.h"
 #include <sys/ioctl.h>
+#include <sys/socket.h>
 #include "un-namespace.h"
 
 int sockatmark(int s)