--- atftp-0.7.1.orig/tftpd.h	2011-03-11 07:51:24.000000000 +0100
+++ atftp-0.7.1/tftpd.h	2016-10-19 20:02:34.000000000 +0200
@@ -20,6 +20,7 @@
 #include <pthread.h>
 #include <arpa/tftp.h>
 #include <arpa/inet.h>
+#include <sys/types.h>
 #include "tftp_io.h"
 
 /*