@@ -23,10 +23,12 @@
 #include <assert.h>
 #include <errno.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+
+#include <fcntl.h>
 
 #import "OFTCPSocket.h"
 #import "OFTCPSocket+SOCKS5.h"
 #import "OFString.h"
 #import "OFThread.h"