- (djm) [includes.h monitor.c openbsd-compat/bindresvport.c]
   [openbsd-compat/rresvport.c] Some more headers: netinet/in.h
   sys/socket.h and unistd.h in various places
diff --git a/monitor.c b/monitor.c
index b3ccde0..364bd23 100644
--- a/monitor.c
+++ b/monitor.c
@@ -43,6 +43,7 @@
 #include <stdarg.h>
 #include <stdlib.h>
 #include <string.h>
+#include <unistd.h>
 
 #ifdef SKEY
 #include <skey.h>