ifnames - Extract CPP conditionals from a set of files
ifnames [
OPTION]... [
FILE]...
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
Written by David J. MacKenzie and Paul Eggert.
Report bugs to <
[email protected]>.
GNU Autoconf home page: <
https://www.gnu.org/software/autoconf/>.
General help using GNU software: <
https://www.gnu.org/gethelp/>.
Copyright © 2021 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.
autoconf(1),
automake(1),
autoreconf(1),
autoupdate(1),
autoheader(1),
autoscan(1),
config.guess(1),
config.sub(1), ,
libtool(1).
The full documentation for
ifnames is maintained as a Texinfo manual. If
the
info and
ifnames programs are properly installed at your
site, the command
- info ifnames
should give you access to the complete manual.