dhcpd-pools  3.0
ISC dhcpd lease usage analyser
getopt-pfx-core.h
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1 /* getopt (basic, portable features) gnulib wrapper header.
2  Copyright (C) 1989-2017 Free Software Foundation, Inc.
3  This file is part of gnulib.
4  Unlike most of the getopt implementation, it is NOT shared
5  with the GNU C Library.
6 
7  This file is free software; you can redistribute it and/or modify it
8  under the terms of the GNU General Public License as
9  published by the Free Software Foundation; either version 3 of
10  the License, or (at your option) any later version.
11 
12  This file is distributed in the hope that it will be useful, but
13  WITHOUT ANY WARRANTY; without even the implied warranty of
14  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15  General Public License for more details.
16 
17  You should have received a copy of the GNU General Public
18  License along with gnulib; if not, see
19  <https://www.gnu.org/licenses/>. */
20 
21 #ifndef _GETOPT_PFX_CORE_H
22 #define _GETOPT_PFX_CORE_H 1
23 
24 /* This header should not be used directly; include getopt.h or
25  unistd.h instead. It does not have a protective #error, because
26  the guard macro for getopt.h in gnulib is not fixed. */
27 
28 /* Standalone applications should #define __GETOPT_PREFIX to an
29  identifier that prefixes the external functions and variables
30  defined in getopt-core.h and getopt-ext.h. Systematically
31  rename identifiers so that they do not collide with the system
32  functions and variables. Renaming avoids problems with some
33  compilers and linkers. */
34 #ifdef __GETOPT_PREFIX
35 # ifndef __GETOPT_ID
36 # define __GETOPT_CONCAT(x, y) x ## y
37 # define __GETOPT_XCONCAT(x, y) __GETOPT_CONCAT (x, y)
38 # define __GETOPT_ID(y) __GETOPT_XCONCAT (__GETOPT_PREFIX, y)
39 # endif
40 # undef getopt
41 # undef optarg
42 # undef opterr
43 # undef optind
44 # undef optopt
45 # define getopt __GETOPT_ID (getopt)
46 # define optarg __GETOPT_ID (optarg)
47 # define opterr __GETOPT_ID (opterr)
48 # define optind __GETOPT_ID (optind)
49 # define optopt __GETOPT_ID (optopt)
50 
51 /* The system's getopt.h may have already included getopt-core.h to
52  declare the unprefixed identifiers. Undef _GETOPT_CORE_H so that
53  getopt-core.h declares them with prefixes. */
54 # undef _GETOPT_CORE_H
55 #endif
56 
57 #include <getopt-core.h>
58 
59 #endif /* _GETOPT_PFX_CORE_H */