--- htnet/Connection.cc.orig	2014-12-27 13:40:45.961149583 +0000
+++ htnet/Connection.cc	2014-12-27 13:45:45.967149583 +0000
@@ -64,7 +64,7 @@
 
 typedef void (*SIGNAL_HANDLER) (...);
 
-#ifndef _MSC_VER /* _WIN32 */
+#if ! defined(_MSC_VER) && (defined(__GLIBC__) || defined(__UCLIBC__))
 extern "C" {
     int rresvport(int *);
 }
@@ -162,7 +162,7 @@ int Connection::Open(int priv)
 	int	aport = IPPORT_RESERVED - 1;
 
 //  Native Windows (MSVC) has no rresvport
-#ifndef _MSC_VER /* _WIN32 */
+#if ! defined(_MSC_VER) && (defined(__GLIBC__) || defined(__UCLIBC__))
 	sock = rresvport(&aport);
 #else
 	return NOTOK;