atement to
access constants in procedure bodies.  For example:
</p>

<div class="code">
<pre>
proc blah {} {
  global FOO
  bar $FOO
}
</pre>
</div>

<H3><a name="Tcl_nn19">37.3.5 Pointers</a></H3>


<p>
C/C++ pointers are fully supported by SWIG.  Furthermore, SWIG has no problem working with
incomplete type information.  Here is a rather simple interface:
</p>

<div class="code">
<pre>
%module example

FILE *fopen(const char *filename, const char *mode);
int fputs(const char *, FILE *);
int fclose(FILE *)