这是一个内存分配管理的程序，用于模拟c对内存的使用-/* Prototypes and definition for malloc implementation.

　 Copyright (C) 1996, 1997, 1999 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.