72 lines
1.7 KiB
Groff
72 lines
1.7 KiB
Groff
.TH CPP.ANSI 6ACK
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.ad
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.SH NAME
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cpp.ansi \- ANSI C Pre-Processor
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.SH SYNOPSIS
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cpp.ansi [\-options] [ file ]
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.SH DESCRIPTION
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.I Cpp.ansi
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reads a file, expands macros and include
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files, and writes an input file for the C compiler.
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All output is to standard output.
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.br
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The following options are supported.
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.IP -\fBI\fIdirectory\fR
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.br
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add this directory to the list of
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directories searched for #include "..." and #include <...>
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commands. Note that there is no space between the
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"-I" and the directory string. More than one -I command
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is permitted.
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.IP -\fBI\fR
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end the list of directories to be searched, and also do not look in
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default places.
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.IP -\fBD\fIname\fR=\fItext\fR
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.br
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define
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.I name
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as a macro with
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.I text
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as its replacement text.
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.IP -\fBD\fIname\fR
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the same as -\fBD\fIname\fR=1.
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.IP
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.IP -\fBU\fIname\fR
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.br
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undefine the macro name
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.IR name .
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.IP -\fBC\fR
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leave comments in. By default, C-comments are deleted.
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.IP -\fBP\fR
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do not generate line directives
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.IP -\fBM\fIn\fR
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set maximum identifier length to
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.IR n .
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.PP
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The following names are always available unless undefined:
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.RS
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.IP __STDC__
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A decimal constant 1, indicating that this is an ANSI C conforming
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implementation.
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.IP __FILE__
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The input (or #include) file being compiled
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(as a quoted string).
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.IP __LINE__
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The line number being compiled.
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.IP __DATE__
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The date of translation of the source file. This is a string
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literal of the form "\fBMmm dd yyyy\fP".
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.IP __TIME__
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The time of translation of the source file. This is a string
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literal of the form "\fBhh:mm:ss\fP".
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.RE
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.SH BUGS
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The output may contain extra spaces, this prevents unintended
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pasting of tokens.
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.SH "SEE ALSO"
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L. Rosler,
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.I
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Draft Proposed Standard - Programming Language C,
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.R
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ANSI X3J11 Language Subcommittee
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