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+ Copyright (C) 1991, 1992 Free Software Foundation, Inc.
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+
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+This library is free software; you can redistribute it and/or
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+modify it under the terms of the GNU Library General Public License as
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+published by the Free Software Foundation; either version 2 of the
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+License, or (at your option) any later version.
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+
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+This library is distributed in the hope that it will be useful,
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+but WITHOUT ANY WARRANTY; without even the implied warranty of
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+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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+Library General Public License for more details.
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+
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+You should have received a copy of the GNU Library General Public
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+License along with this library; see the file COPYING.LIB. If
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+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
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+Cambridge, MA 02139, USA.
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+
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+ The author may be reached (Email) at the address mike@@ai.mit.edu,
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+ or (US mail) as Mike Haertel c/o Free Software Foundation. */
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+
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+#include <stdlib.h>
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+#include "malloc.h"
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+
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+#ifdef emacs
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+#include "config.h"
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+#endif
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+
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+#ifdef __GNU_LIBRARY__
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+extern size_t __getpagesize __P ((void));
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+#else
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+#ifndef USG
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+extern size_t getpagesize __P ((void));
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+#define __getpagesize() getpagesize()
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+#else
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+#include <sys/param.h>
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+#ifdef EXEC_PAGESIZE
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+#define __getpagesize() EXEC_PAGESIZE
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+#else
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+#ifdef NBPG
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+#ifndef CLSIZE
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+#define CLSIZE 1
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+#endif
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+#define __getpagesize() (NBPG * CLSIZE)
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+#else
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+#define __getpagesize() NBPC
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+#endif
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+#endif
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+#endif
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+#endif
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+
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+static size_t pagesize;
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+
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+__ptr_t valloc (size_t size)
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+{
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+ if (pagesize == 0)
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+ pagesize = __getpagesize ();
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+
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+ return memalign (pagesize, size);
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+}
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