$NetBSD: patch-na,v 1.1 2007/10/10 11:21:53 rillig Exp $

--- Modules/mmapmodule.c.orig	2001-07-16 17:45:20.000000000 +0200
+++ Modules/mmapmodule.c	2007-10-10 13:18:05.000000000 +0200
@@ -394,6 +394,10 @@
 } else {
 	void *newmap;
 
+#if defined(__NetBSD__)
+#  define mremap(a, b, c, d) (mremap)((a), (b), NULL, (c), (d))
+#endif
+
 #ifdef MREMAP_MAYMOVE
 	newmap = mremap(self->data, self->size, new_size, MREMAP_MAYMOVE);
 #else