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@gnu.org>, or via Savannah:
<https://savannah.gnu.org/support/?group=autoconf>.
COPYRIGHT
Copyright (C) 2023 Free Software Foundation, Inc. License
GPLv3+/Autoconf: GNU GPL version 3 or later
<https://gnu.org/licenses/gpl.html>,
<https://gnu.org/licenses/exceptions.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),
ifnames(1), libtool(1).
The full documentation for Autoconf is maintained as a Texinfo manual.
To read the manual locally, use the command
info autoconf
You can also consult the Web version of the manual at
<https://gnu.org/software/autoconf/manual/>.
GNU Autoconf 2.72 December 2023 ifnames(1)
autoconf 2.72 - Generated Thu Feb 22 07:35:03 CST 2024