From 84adefa331c4159d432d22840663c38f155cd4c1 Mon Sep 17 00:00:00 2001
From: Erlang/OTP <otp@erlang.org>
Date: Fri, 20 Nov 2009 14:54:40 +0000
Subject: The R13B03 release.

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 1 file changed, 46 insertions(+)
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(limited to 'system/doc/tutorial/example.xmlsrc')

diff --git a/system/doc/tutorial/example.xmlsrc b/system/doc/tutorial/example.xmlsrc
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+<?xml version="1.0" encoding="latin1" ?>
+<!DOCTYPE chapter SYSTEM "chapter.dtd">
+
+<chapter>
+  <header>
+    <copyright>
+      <year>2000</year><year>2009</year>
+      <holder>Ericsson AB. All Rights Reserved.</holder>
+    </copyright>
+    <legalnotice>
+      The contents of this file are subject to the Erlang Public License,
+      Version 1.1, (the "License"); you may not use this file except in
+      compliance with the License. You should have received a copy of the
+      Erlang Public License along with this software. If not, it can be
+      retrieved online at http://www.erlang.org/.
+    
+      Software distributed under the License is distributed on an "AS IS"
+      basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+      the License for the specific language governing rights and limitations
+      under the License.
+    
+    </legalnotice>
+
+    <title>Problem Example</title>
+    <prepared></prepared>
+    <docno></docno>
+    <date></date>
+    <rev></rev>
+    <file>example.xml</file>
+  </header>
+
+  <section>
+    <title>Description</title>
+    <p>A common interoperability situation is when there exists a piece of code solving some complex problem, and we would like to incorporate this piece of code in our Erlang program. Suppose for example we have the following C functions that we would like to be able to call from Erlang.</p>
+    <codeinclude file="complex.c" tag="" type="none"></codeinclude>
+    <p>(For the sake of keeping the example as simple as possible, the functions are not very complicated in this case).</p>
+    <p>Preferably we would like to able to call <c>foo</c> and <c>bar</c> without having to bother about them actually being C functions.</p>
+    <pre>
+% Erlang code
+...
+Res = complex:foo(X),
+...</pre>
+    <p>The communication with C is hidden in the implementation of <c>complex.erl</c>. In the following chapters it is shown how this module can be implemented using the different interoperability mechanisms.</p>
+  </section>
+</chapter>
+
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