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IFNAMES-2.69(1)			 User Commands		       IFNAMES-2.69(1)

NAME
       ifnames-2.69 - 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	 iden-
       tifiers	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: <http://www.gnu.org/software/autoconf/>.
       General help using GNU software:	<http://www.gnu.org/gethelp/>.

COPYRIGHT
       Copyright (C) 2012 Free Software	Foundation, Inc.  License GPLv3+/Auto-
       conf: GNU GPL version 3	or  later  <http://gnu.org/licenses/gpl.html>,
       <http://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-2.69(1),   automake-2.69(1),	autoreconf-2.69(1),    autoup-
       date-2.69(1),	  autoheader-2.69(1),	   autoscan-2.69(1),	  con-
       fig.guess-2.69(1), config.sub-2.69(1), ifnames-2.69(1), libtool(1).

       The full	documentation for ifnames-2.69 is maintained as	a Texinfo man-
       ual.   If  the info and ifnames-2.69 programs are properly installed at
       your site, the command

	      info ifnames-2.69

       should give you access to the complete manual.

GNU Autoconf 2.69		   July	2017		       IFNAMES-2.69(1)

NAME | SYNOPSIS | DESCRIPTION | AUTHOR | REPORTING BUGS | COPYRIGHT | SEE ALSO

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<https://www.freebsd.org/cgi/man.cgi?query=ifnames-2.69&sektion=1&manpath=FreeBSD+12.0-RELEASE+and+Ports>

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