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<title>20.6.2 Specifying a symbol  </title>

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<h3>
  <a name="1204739"> </a><font color="#003366"  face="Verdana, Arial, Helvetica, sans-serif">20.6.2 	 Specifying a symbol</font>
</h3>


<p>
  <a name="1204740"> </a><font size=2  face="Verdana, Arial, Helvetica, sans-serif">A symbol is a name of variable or a function. A symbol may be specified by a symbol reference, with the following syntax:</font>
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<a name="1204741"> </a><font size=2 face=Courier><strong>symbol_name [ : module [: function : occurrence ]]<br></strong></font>



<p>
  <a name="1204742"> </a><font size=2  face="Verdana, Arial, Helvetica, sans-serif">The module, function and version parameters are only used when accessing static variables. They specify the module name, function name and occurrence number in that function respectively.</font>
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<p>
  <a name="1204743"> </a><font size=2  face="Verdana, Arial, Helvetica, sans-serif">For example:</font>
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<a name="1209606"> </a><font size=2 face=Courier><strong>&gt;break x									<font size=2 face=Courier><em>## global variable that is visible in all matches<br></em></font>&gt;break x:app.c									<font size=2 face=Courier><em>## static variable that is visible throughout app.c<br></em></font>&gt;break x:app.c:fn:0									<font size=2 face=Courier><em>## static variable in function fn in app.c<br></em></font>

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