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<h4 class="subsection">11.7.2 Subfunctions</h4>

<p>A function file may contain secondary functions called
<dfn>subfunctions</dfn>.  These secondary functions are only visible to the
other functions in the same function file.  For example, a file
<samp><span class="file">f.m</span></samp> containing

<pre class="example">     function f ()
       printf ("in f, calling g\n");
       g ()
     endfunction
     function g ()
       printf ("in g, calling h\n");
       h ()
     endfunction
     function h ()
       printf ("in h\n")
     endfunction
</pre>
   <p class="noindent">defines a main function <code>f</code> and two subfunctions.  The
subfunctions <code>g</code> and <code>h</code> may only be called from the main
function <code>f</code> or from the other subfunctions, but not from outside
the file <samp><span class="file">f.m</span></samp>.

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