--- a/gatedevice.c
+++ b/gatedevice.c
@@ -1,5 +1,6 @@
 #include <syslog.h>
 #include <stdlib.h>
+#include <stdio.h>
 #include <upnp/ixml.h>
 #include <string.h>
 #include <time.h>
--- a/main.c
+++ b/main.c
@@ -10,6 +10,7 @@
 #include <time.h>
 #include <net/if.h>
 #include <upnp/upnp.h>
+#include <string.h>
 #include "globals.h"
 #include "config.h"
 #include "gatedevice.h"
--- a/pmlist.c
+++ b/pmlist.c
@@ -2,6 +2,8 @@
 #include <sys/wait.h>
 #include <unistd.h>
 #include <upnp/upnp.h>
+#include <stdio.h>
+#include <string.h>
 #include "globals.h"
 #include "config.h"
 #include "pmlist.h"