200 lines
5.3 KiB
Groff
200 lines
5.3 KiB
Groff
.\"
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.\" Copyright (c) 1997 Joerg Wunsch
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.\"
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY EXPRESS OR
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.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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.\" IN NO EVENT SHALL THE DEVELOPERS BE LIABLE FOR ANY DIRECT, INDIRECT,
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.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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.\"
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.\" From FreeBSD: src/usr.bin/c89/c89.1,v 1.11 2007/03/10 07:10:01 ru Exp
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.\" $FreeBSD$
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.\"
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.Dd June 17, 2010
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.Dt C99 1
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.Os
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.Sh NAME
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.Nm c99
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.Nd standard C language compiler
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.Sh SYNOPSIS
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.Nm
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.Op Fl cEgs
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.Oo Fl D Ar name Ns Oo = Ns Ar value Oc Oc ...
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.Oo Fl I Ar directory Oc ...
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.Oo Fl L Ar directory Oc ...
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.Op Fl o Ar outfile
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.Op Fl O Ar optlevel
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.Oo Fl U Ar name Oc ...
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.Ar operand ...
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.Sh DESCRIPTION
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This is the name of the C language compiler as required by the
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.St -p1003.1-2001
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standard.
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.Pp
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The
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.Nm
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compiler accepts the following options:
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.Bl -tag -width indent
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.It Fl c
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Suppress the link-edit phase of the compilation, and do not remove any
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object files that are produced.
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.It Fl D Ar name Ns Op = Ns Ar value
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Define name as if by a C-language
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.Ic #define
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directive.
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If no
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.Dq = Ns Ar value
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is given, a value of 1 will be used.
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Note that in order to request a
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translation as specified by
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.St -p1003.1-2001 ,
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you need to define
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.Dv _POSIX_C_SOURCE=200112L
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either in the source or using this option.
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The
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.Fl D
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option has lower precedence than the
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.Fl U
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option.
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That is, if
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.Ar name
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is used in both a
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.Fl U
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and a
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.Fl D
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option,
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.Ar name
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will be undefined regardless of the order of the options.
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The
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.Fl D
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option may be specified more than once.
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.It Fl E
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Copy C-language source files to the standard output, expanding all
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preprocessor directives; no compilation will be performed.
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.It Fl g
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Produce symbolic information in the object or executable files.
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.It Fl I Ar directory
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Change the algorithm for searching for headers whose names are not
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absolute pathnames to look in the directory named by the
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.Ar directory
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pathname before looking in the usual places.
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Thus, headers whose
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names are enclosed in double-quotes
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.Pq Qq \&
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will be searched for first
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in the directory of the file with the
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.Ic #include
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line, then in
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directories named in
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.Fl I
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options, and last in the usual places.
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For headers whose names are enclosed in angle brackets
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.Pq Aq \& ,
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the header
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will be searched for only in directories named in
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.Fl I
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options and then in the usual places.
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Directories named in
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.Fl I
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options shall be searched in the order specified.
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The
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.Fl I
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option may be specified more than once.
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.It Fl L Ar directory
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Change the algorithm of searching for the libraries named in the
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.Fl l
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objects to look in the directory named by the
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.Ar directory
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pathname before looking in the usual places.
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Directories named in
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.Fl L
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options will be searched in the order specified.
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The
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.Fl L
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option may be specified more than once.
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.It Fl o Ar outfile
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Use the pathname
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.Ar outfile ,
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instead of the default
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.Pa a.out ,
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for the executable file produced.
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.It Fl O Ar optlevel
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If
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.Ar optlevel
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is zero, disable all optimizations.
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Otherwise, enable optimizations at the specified level.
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.It Fl s
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Produce object and/or executable files from which symbolic and other
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information not required for proper execution has been removed
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(stripped).
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.It Fl U Ar name
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Remove any initial definition of
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.Ar name .
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The
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.Fl U
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option may be specified more than once.
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.El
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.Pp
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An operand is either in the form of a pathname or the form
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.Fl l
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library.
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At least one operand of the pathname form needs to be specified.
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Supported operands are of the form:
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.Bl -tag -offset indent -width ".Fl l Ar library"
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.It Ar file Ns Pa .c
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A C-language source file to be compiled and optionally linked.
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The operand must be of this form if the
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.Fl c
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option is used.
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.It Ar file Ns Pa .a
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A library of object files, as produced by
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.Xr ar 1 ,
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passed directly to the link editor.
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.It Ar file Ns Pa .o
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An object file produced by
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.Nm Fl c ,
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and passed directly to the link editor.
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.It Fl l Ar library
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Search the library named
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.Pa lib Ns Ar library Ns Pa .a .
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A library will be searched when its name is encountered, so the
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placement of a
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.Fl l
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operand is significant.
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.El
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.Sh SEE ALSO
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.Xr ar 1 ,
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.Xr c89 1 ,
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.Xr cc 1 ,
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.Xr c99 7
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.Sh STANDARDS
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The
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.Nm
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utility interface conforms to
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.St -p1003.1-2001 .
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Since it is a wrapper around
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.Tn GCC ,
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it is limited to the
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.Tn C99
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features that
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.Tn GCC
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actually implements.
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See
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.Pa http://gcc.gnu.org/gcc-4.2/c99status.html .
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