--- /dev/null
+/* Copyright (C) 1992, 1996, 1997, 1998 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#ifndef _ALLOCA_H
+#define _ALLOCA_H 1
+
+#include <features.h>
+
+#define __need_size_t
+#include <stddef.h>
+
+__BEGIN_DECLS
+
+/* Remove any previous definitions. */
+#undef alloca
+
+/* Allocate a block that will be freed when the calling function exits. */
+extern __ptr_t alloca __P ((size_t __size));
+
+#ifdef __GNUC__
+# define alloca(size) __builtin_alloca (size)
+#endif /* GCC. */
+
+__END_DECLS
+
+#endif /* alloca.h */
extern void free __P ((void *));
extern void * realloc __P ((void *, size_t));
+#if defined __USE_GNU || defined __USE_BSD || defined __USE_MISC
+# include <alloca.h>
+#endif /* Use GNU, BSD, or misc. */
+
#ifdef DEBUG_MALLOC
extern void * malloc_dbg __P ((size_t, char* func, char* file, int line));