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authorTobias Klauser <tklauser@distanz.ch>2008-01-27 11:37:44 +0100
committerTobias Klauser <tklauser@xenon.tklauser.home>2008-01-27 11:37:44 +0100
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+<html>
+<head>
+<title>Scope in C++</title>
+</head>
+<body bgcolor="#dddddd">
+<font color=brown>
+<hr>
+<center><h1>Scope in C++.</h1></center>
+<hr>
+<p>
+
+The :: operator is used within C++ to identify global variables that
+conflict with local variable names. Obviously it would be good programming
+practice to use suitable names in the first place......
+
+<p>
+<center>
+<table width=1 bgcolor=ivory width=80%>
+<tr>
+<td>
+<pre>
+
+ #include <iostream.h>
+
+ int Counter = 1;
+
+ main()
+ {
+ int Counter = 1;
+
+ for (int i=0; i< 10; i++)
+ {
+ cout << Counter << " " << ::Counter << endl;
+ Counter++;
+ }
+
+ return 0;
+ }
+</pre>
+</tr>
+</td>
+</table>
+</center>
+<p>
+
+<hr>
+<h2>Examples:</h2>
+<img src="../../GRAPHICS/computer.gif" alt="o">
+<a href="../EXAMPLES/scope.cc">Example program.</a>
+<p>
+
+<hr>
+<h2>See Also:</h2>
+<img src="../../GRAPHICS/whiteball.gif" alt="o">
+<a href="../SYNTAX/ops.html">C++ operators.</a>.
+
+</font>
+<hr>
+<font color=black>
+<h2>C References</h2>
+<p>
+<img src="../../GRAPHICS/whiteball.gif" alt="o">
+<a href="../../C/SYNTAX/glo_int_vars.html#global">Global Variables</a>.
+<p>
+<img src="../../GRAPHICS/whiteball.gif" alt="o">
+<a href="../../C/CONCEPT/expressions.html">C Expressions and Operators</a>.
+
+
+</font>
+
+<hr>
+<p>
+<center>
+<table border=2 width="80%" bgcolor="ivory">
+<tr align=center>
+<td width="25%">
+<a href="../cref.html">Top</a>
+</td><td width="25%">
+<a href="../../C/master_index.html">Master Index</a>
+</td><td width="25%">
+<a href="../SYNTAX/keywords.html">Keywords</a>
+</td><td width="25%">
+<a href="../../C/FUNCTIONS/funcref.htm">Functions</a>
+</td>
+</tr>
+</table>
+</center>
+<p>
+<hr>
+<font color=brown>
+<address>Martin Leslie
+<script language="JavaScript">
+<!-- //
+document.write(document.lastModified);
+// -->
+</script>
+</address><p>
+</font>
+</body>
+</html>