IFNAMES(1) User Commands IFNAMES(1)
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 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.
print this help, then exit
print version number, then exit
Written by David J. MacKenzie and Paul Eggert.
Report bugs to .
Copyright 2003 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is
NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR
autoconf(1), automake(1), autoreconf(1), autoupdate(1), autoheader(1),
autoscan(1), config.guess(1), config.sub(1), ifnames(1), libtool(1).
The Debian project regards the full documentation for ifnames to be
non-free, so it is not included in Debian. Nevertheless, the non-free
distribution that accompanies Debian includes the manual in its auto
conf-doc package. Otherwise, you may be able to access the Autoconf
ifnames 2.59 September 2005 IFNAMES(1)