--- /dev/null
+/* $Id$ $Revision$ */
+/* vim:set shiftwidth=4 ts=8: */
+
+/**********************************************************
+* This software is part of the graphviz package *
+* http://www.graphviz.org/ *
+* *
+* Copyright (c) 1994-2004 AT&T Corp. *
+* and is licensed under the *
+* Common Public License, Version 1.0 *
+* by AT&T Corp. *
+* *
+* Information and Software Systems Research *
+* AT&T Research, Florham Park NJ *
+**********************************************************/
+
+#ifndef _VMSTUB_H
+#define _VMSTUB_H
+#include <stdlib.h>
+#ifdef HAVE_MALLOC_H
+#include <malloc.h>
+#endif
+typedef void Vmalloc_t;
+#define vmalloc(heap,size) malloc(size)
+#define vmopen(x,y,z) (Vmalloc_t*)(0)
+#define vmclose(x) while (0)
+#define vmresize(heap,ptr,size,oktomoveflag) realloc((ptr),(size))
+#define vmfree(heap,ptr) free(ptr)
+#ifndef EXTERN
+#define EXTERN extern
+#endif
+EXTERN void *Vmregion;
+#endif