stdio_lim.h

它通过提供glibc兼容使得应用程序移植到较小的c 库时相当得容易. 它能够应用到带虚拟存储的Linux和uClinux上.在大多数带MMU部件的平台上为使它更加紧凑,它也能够编译成共享库.uClib

/* Copyright (C) 1994, 1997, 1998, 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 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.  */

#if !defined _STDIO_H && !defined __need_FOPEN_MAX && !defined __need_IOV_MAX
# error "Never include <bits/stdio_lim.h> directly; use <stdio.h> instead."
#endif

#ifdef _STDIO_H
# define L_tmpnam 20
# define TMP_MAX 238328
# define FILENAME_MAX 4095 

# ifdef __USE_POSIX
#  define L_ctermid 9
#  define L_cuserid 9
# endif
#endif

#if defined __need_FOPEN_MAX || defined _STDIO_H
# undef  FOPEN_MAX
# define FOPEN_MAX 16
#endif

#if defined __need_IOV_MAX && !defined IOV_MAX
# define IOV_MAX 1024 
#endif