1 .\" DO NOT MODIFY THIS FILE! It was generated by help2man 1.24.
2 .TH IFNAMES "1" "July 2001" "GNU Autoconf 2.52" FSF
4 ifnames \- Extract CPP conditionals from a set of files
7 [\fIOPTION\fR] ... [\fIFILE\fR] ...
9 Scan all of the C source FILES (or the standard input, if none are
10 given) and write to the standard output a sorted list of all the
11 identifiers that appear in those files in `#if', `#elif', `#ifdef', or
12 `#ifndef' directives. Print each identifier on a line, followed by a
13 space-separated list of the files in which that identifier occurs.
15 \fB\-h\fR, \fB\-\-help\fR
16 print this help, then exit
18 \fB\-V\fR, \fB\-\-version\fR
19 print version number, then exit
21 Written by David J. MacKenzie and Paul Eggert.
23 Copyright 1994, 1995, 1999, 2000 Free Software Foundation, Inc.
24 This is free software; see the source for copying conditions. There is NO
25 warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
27 Report bugs to <bug-autoconf@gnu.org>.
40 The full documentation for
42 is maintained as a Texinfo manual. If the
46 programs are properly installed at your site, the command
50 should give you access to the complete manual.