On Apache
Under GNU General Public License
2025-11-21 17:33 @216.73.216.164 CrawledBy Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)
IFNAMES(1) User Commands IFNAMES(1)
NAME
ifnames - Extract CPP conditionals from a set of files
SYNOPSIS
ifnames [OPTION]... [FILE]...
DESCRIPTION
Scan all of the C source FILES (or the standard input, if none are given) and write to the
standard output a sorted list of all the identifiers that appear in those files in '#if',
'#elif', '#ifdef', or '#ifndef' directives. Print each identifier on a line, followed by
a space-separated list of the files in which that identifier occurs.
-h, --help
print this help, then exit
-V, --version
print version number, then exit
AUTHOR
Written by David J. MacKenzie and Paul Eggert.
REPORTING BUGS
Report bugs to <bug-autoconf AT gnu.org>.
GNU Autoconf home page: <https://www.gnu.org/software/autoconf/>.
General help using GNU software: <https://www.gnu.org/gethelp/>.
COPYRIGHT
Copyright (C) 2021 Free Software Foundation, Inc. License GPLv3+/Autoconf: GNU GPL ver-
sion 3 or later <https://gnu.org/licenses/gpl.html>, <https://gnu.org/licenses/excep-
tions.html>
This is free software: you are free to change and redistribute it. There is NO WARRANTY,
to the extent permitted by law.
SEE ALSO
autoconf(1), automake(1), autoreconf(1), autoupdate(1), autoheader(1), autoscan(1), con-
fig.guess(1), config.sub(1), ifnames(1), libtool(1).
The full documentation for ifnames is maintained as a Texinfo manual. If the info and if-
names programs are properly installed at your site, the command
info ifnames
should give you access to the complete manual.
GNU Autoconf 2.71 August 2021 IFNAMES(1)
Generated by $Id: phpMan.php,v 4.55 2007/09/05 04:42:51 chedong Exp $ Author: Che Dong
On Apache
Under GNU General Public License
2025-11-21 17:33 @216.73.216.164 CrawledBy Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)