@@ -11,16 +11,21 @@
 
 #include "config.h"
 
 #include <string.h>
 #include <fcntl.h>
+
+#ifndef _WIN32
+# include <sys/types.h>
+# include <sys/socket.h>
+#endif
 
 #import "OFSocket.h"
 #import "OFExceptions.h"
 
 #ifndef INVALID_SOCKET
-#define INVALID_SOCKET -1
+# define INVALID_SOCKET -1
 #endif
 
 @implementation OFSocket
 #ifdef _WIN32
 + (void)initialize