1/* Checking routines for select functions. Declaration only.
 2   Copyright (C) 2023-2025 Free Software Foundation, Inc.
 3   This file is part of the GNU C Library.
 4
 5   The GNU C Library is free software; you can redistribute it and/or
 6   modify it under the terms of the GNU Lesser General Public
 7   License as published by the Free Software Foundation; either
 8   version 2.1 of the License, or (at your option) any later version.
 9
10   The GNU C Library 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 GNU
13   Lesser General Public License for more details.
14
15   You should have received a copy of the GNU Lesser General Public
16   License along with the GNU C Library; if not, see
17   <https://www.gnu.org/licenses/>.  */
18
19#ifndef _BITS_SELECT_DECL_H
20#define _BITS_SELECT_DECL_H 1
21
22#ifndef _SYS_SELECT_H
23# error "Never include <bits/select-decl.h> directly; use <sys/select.h> instead."
24#endif
25
26/* Helper functions to issue warnings and errors when needed.  */
27extern long int __fdelt_chk (long int __d);
28extern long int __fdelt_warn (long int __d)
29  __warnattr ("bit outside of fd_set selected");
30
31#endif