stdio.h

代码说明：

* Copyright (c) 2002, 2005, 2007 Joerg Wunsch    All rights reserved.    Portions of documentation Copyright (c) 1990, 1991, 1993    The Regents of the University of California.    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      d