har c, char *str, int len);
</pre>
</div>

<p>
When a multi-argument typemap is defined, the arguments are always handled as a single
Tcl object.  This allows the function to be used like this (notice how the length
parameter is omitted):
</p>

<div class="code">
<pre>
% count e "Hello World"
1
</pre>
</div>

<H3><a name="Tcl_nn36">37.7.2 Tcl typemaps</a></H3>


<p>
The previous section illustrated an "in" typemap for converting Tcl objects to C.
A variety of different typemap methods are defined by the Tcl