doc: pwd: improve the -P help description
[coreutils.git] / gl / lib / fd-reopen.h
blob71bf47db83fff1e2bd93193051026e8beb3305c0
1 /* Invoke open, but return either a desired file descriptor or -1.
3 Copyright (C) 2005-2024 Free Software Foundation, Inc.
5 This program is free software: you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation, either version 3 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program. If not, see <https://www.gnu.org/licenses/>. */
18 /* Written by Paul Eggert. */
20 #include <sys/types.h>
22 int fd_reopen (int, char const *, int, mode_t) _GL_ATTRIBUTE_NONNULL ();