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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.

       Copyright 2002 Free Software  Foundation,  Inc.	 This  is
       free  software;	see  the  source  for copying conditions.
       There is NO warranty; not even for MERCHANTABILITY or FIT-
       NESS FOR A PARTICULAR PURPOSE.

REPORTING BUGS
       Report bugs to <bug-autoconf@gnu.org>.

       ifnames (GNU Autoconf) 2.57

SEE ALSO
       autoconf(1),  automake(1),  autoreconf(1),  autoupdate(1),
       autoheader(1),	 autoscan(1),	 config.guess(1),    con-
       fig.sub(1), ifnames(1), libtool(1).

       The full documentation for ifnames is maintained as a Tex-
       info manual.  If the info and ifnames programs  are  prop-
       erly installed at your site, the command

	      info ifnames

       should give you access to the complete manual.

ifnames			  December 2002		       IFNAMES(1)

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