forked from lda/telodendria
52 lines
1.3 KiB
Groff
52 lines
1.3 KiB
Groff
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.Dd $Mdocdate: May 21 2023 $
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.Dt HDOC 1
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.Os Cytoplasm
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.Sh NAME
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.Nm hdoc
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.Nd Generate documentation from a C header file.
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.Sh SYNOPSIS
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.Nm
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.Op Fl i Ar file
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.Op Fl o Ar file
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.Op Fl D Ar key=value
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.Sh DESCRIPTION
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.Nm
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is an extremely simple documentation generator that generates
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a BSD man page from a specially-formatted C header file.
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See
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.Xr hdoc 5
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for details on the format of this header file.
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.Pp
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The options are as follows:
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.Bl -tag -width Ds
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.It Fl i Ar file
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The input C header file to read from. If this option is omitted,
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then the standard input is read.
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.It Fl o Ar file
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The output BSD man page file to write. If this option is omitted,
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then the standard output is written.
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.It Fl D Ar key=value
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Set the register
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.Ar key
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to
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.Ar value .
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.Nm
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registers are used in various places, and can be set in either
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the header file, or on the command line. Setting registers that
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should be the same in all headers is best done from the command
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line for maintainability purposes, but header-specific values
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should be set in the header file itself.
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.Pp
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Registers are explained in more detail in
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.Xr hdoc 5 .
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.El
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.Sh RETURN VALUE
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.Pp
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.Nm
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returns a success value if the header is well-formed and the
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man page is successfully generated. It returns an error code in
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all other scenarios.
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.Sh SEE ALSO
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.Xr hdoc 5 ,
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.Xr HeaderParser 3
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