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+/* Copyright (c) 2004, Joerg Wunsch
+ All rights reserved.
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+
+ * Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in
+ the documentation and/or other materials provided with the
+ distribution.
+ * Neither the name of the copyright holders nor the names of
+ contributors may be used to endorse or promote products derived
+ from this software without specific prior written permission.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ POSSIBILITY OF SUCH DAMAGE.
+*/
+
+/* $Id: stdlib_private.h 1657 2008-03-24 17:11:08Z arcanum $ */
+
+#include <inttypes.h>
+#include <stdlib.h>
+#include <avr/io.h>
+
+#if !defined(__DOXYGEN__)
+
+struct __freelist {
+ size_t sz;
+ struct __freelist *nx;
+};
+
+#endif
+
+extern char *__brkval; /* first location not yet allocated */
+extern struct __freelist *__flp; /* freelist pointer (head of freelist) */
+extern size_t __malloc_margin; /* user-changeable before the first malloc() */
+extern char *__malloc_heap_start;
+extern char *__malloc_heap_end;
+
+extern char __heap_start;
+extern char __heap_end;
+
+/* Needed for definition of AVR_STACK_POINTER_REG. */
+#include <avr/io.h>
+
+#define STACK_POINTER() ((char *)AVR_STACK_POINTER_REG)
+