__getpgsz.c

来自「一个C源代码分析器」· C语言 代码 · 共 30 行

/* Copyright (C) 1993 Free Software Foundation, Inc.
   Contributed by Brendan Kehoe ([e-mail]).

The GNU C Library is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, 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 General Public License for more details.

You should have received a copy of the GNU General Public License
along with the GNU C Library; see the file COPYING.  If not, write to
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */

#include <ansidecl.h>
#include <stddef.h>
#include <unistd.h>

extern long int EXFUN(__sysconf, (int));

/* Return the system page size.  */
size_t
DEFUN_VOID(__getpagesize)
{
  return __sysconf (_SC_PAGESIZE);
}