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IFNAMES(1)                       User Commands                      IFNAMES(1)

NAME

ifnames2.71 - Extract CPP conditionals from a set of files

SYNOPSIS

ifnames2.71 [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>. 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 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

autoconf2.71(1), automake(1), autoreconf2.71(1), autoupdate2.71(1), autoheader2.71(1), autoscan2.71(1), ifnames2.71(1), libtool(1). The full documentation for ifnames2.71 is maintained as a Texinfo manual. If the info and ifnames2.71 programs are properly installed at your site, the command info ifnames2.71 should give you access to the complete manual. GNU Autoconf 2.71 January 2021 IFNAMES(1)

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