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/* Duplicate a file descriptor to a chosen number. NaCl version.
Copyright (C) 2015-2017 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, see
<http://www.gnu.org/licenses/>. */
#include <unistd.h>
#include <nacl-interfaces.h>
/* Duplicate FD to FD2, closing the old FD2 and making FD2 be
open the same file as FD is. Return FD2 or -1. */
int
__dup2 (int fd, int fd2)
{
return NACL_CALL (__nacl_irt_fdio.dup2 (fd, fd2), fd2);
}
libc_hidden_def (__dup2)
weak_alias (__dup2, dup2)
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