$OpenBSD$
--- src/zm_remote_camera.h.orig	Wed Feb  3 19:30:55 2016
+++ src/zm_remote_camera.h	Sat Apr  9 09:50:13 2016
@@ -23,10 +23,12 @@
 #include "zm_camera.h"
 #include "zm_rtsp_auth.h"
 
+#include <netinet/in.h>
 #include <string>
 #include <sys/types.h>
 #include <sys/socket.h>
 #include <netdb.h>
+#include <unistd.h>
 
 //
 // Class representing 'remote' cameras, i.e. those which are
