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<H2><A NAME="SECTION00074000000000000000"> </A>
<A NAME="gen-file"> </A>
<BR>
File Names, Preprocessor Symbols and Redirection
</H2>
The system generates at least 5 <I>.c</I> files and 5 <I>.h</I> files from its input.
In particular, for each input <EM>file</EM><I>.k</I>, a <EM>file</EM><I>.c</I> and a <EM>file</EM><I>.h</I>
is generated that contain the functions defined in that input file.
If there is no file argument, <EM>Kimwitu</EM> reads from standard input and
<EM>file</EM> then takes the value <I>stdin</I>.
The names of the generated files, and their include structure are given in the following table.
Each <I>.c</I> file also defines a distinguished symbol.<A NAME="795"> </A>
<P><TABLE CELLPADDING=3 BORDER="1">
<TR><TD ALIGN="LEFT">File</TD>
<TD ALIGN="LEFT">Includes</TD>
<TD ALIGN="LEFT">Distinguished Symbol</TD>
</TR>
<TR><TD ALIGN="LEFT">k.h</TD>
<TD ALIGN="LEFT"> </TD>
<TD ALIGN="LEFT">KC_TYPES_HEADER</TD>
</TR>
<TR><TD ALIGN="LEFT">k.c</TD>
<TD ALIGN="LEFT">k.h</TD>
<TD ALIGN="LEFT">KC_TYPES</TD>
</TR>
<TR><TD ALIGN="LEFT"><EM> file</EM>.h</TD>
<TD ALIGN="LEFT"> </TD>
<TD ALIGN="LEFT">KC_FUNCTIONS_<EM> file</EM>_HEADER</TD>
</TR>
<TR><TD ALIGN="LEFT"><EM> file</EM>.c</TD>
<TD ALIGN="LEFT">k.h <EM> file</EM>.h</TD>
<TD ALIGN="LEFT">KC_FUNCTIONS_<EM> file</EM></TD>
</TR>
<TR><TD ALIGN="LEFT">rk.c</TD>
<TD ALIGN="LEFT">k.h rk.h</TD>
<TD ALIGN="LEFT">KC_REWRITE</TD>
</TR>
<TR><TD ALIGN="LEFT">unpk.c</TD>
<TD ALIGN="LEFT">k.h unpk.h</TD>
<TD ALIGN="LEFT">KC_UNPARSE</TD>
</TR>
<TR><TD ALIGN="LEFT">csgiok.c</TD>
<TD ALIGN="LEFT">k.h csgiok.h</TD>
<TD ALIGN="LEFT">KC_CSGIO</TD>
</TR>
</TABLE>
<P>
The distinguished symbols can also be used as redirection symbols, as in:
<PRE><HR><!--lgrindfile: include_redirection_symbol_example.k 14:54 Jul 22 1996-->
%{ KC_REWRITE
<B>#include</B> <code>"my_fns.h"</code>
%}
<HR></PRE>
<P>
Additionally one can use the shorthands from the following table.
<P><TABLE CELLPADDING=3 BORDER="1">
<TR><TD ALIGN="LEFT">Redirection Symbol</TD>
<TD ALIGN="LEFT">File</TD>
</TR>
<TR><TD ALIGN="LEFT">HEADER</TD>
<TD ALIGN="LEFT"><EM> file</EM>.h</TD>
</TR>
<TR><TD ALIGN="LEFT">CODE</TD>
<TD ALIGN="LEFT"><EM> file</EM>.c</TD>
</TR>
<TR><TD ALIGN="LEFT"><EM> /*empty*/</EM></TD>
<TD ALIGN="LEFT"><EM> file</EM>.c</TD>
</TR>
</TABLE>
<P>
The use of distinguished symbols is further illustrated in Section <A HREF="node14.html#incl-code">1.8</A>.
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<BR><I>2000-04-17</I>
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