xstatconv.h

glibc 库, 不仅可以学习使用库函数,还可以学习函数的具体实现,是提高功力的好资料

/* Convert between the kernel's `struct stat' format, and libc's.
   Copyright (C) 1991,1995-1997,2000,2002,2003,2006
	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 Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 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
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, write to the Free
   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
   02111-1307 USA.  */

#include <kernel-features.h>

#ifndef STAT_IS_KERNEL_STAT
extern int __xstat_conv (int vers, struct kernel_stat *kbuf, void *ubuf);
extern int __xstat64_conv (int vers, struct kernel_stat *kbuf, void *ubuf);
#endif
extern int __xstat32_conv (int vers, struct stat64 *kbuf, struct stat *buf);