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   &#160;<span id="projectnumber">1.6.18</span>
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<div class="title">D-Bus Documentation</div>  </div>
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<div class="textblock"><p>This manual documents the <em>low-level</em> D-Bus C API. <b>If you use this low-level API directly, you're signing up for some pain.</b></p>
<p>Caveats aside, you might get started learning the low-level API by reading about <a class="el" href="group__DBusConnection.html">DBusConnection</a> and <a class="el" href="group__DBusMessage.html">DBusMessage</a>.</p>
<p>There are several other places to look for D-Bus information, such as the tutorial and the specification; those can be found at <a href="http://www.freedesktop.org/wiki/Software/dbus">the D-Bus website</a>. If you're interested in a sysadmin or package maintainer's perspective on the dbus-daemon itself and its configuration, be sure to check out the man pages as well.</p>
<p>The low-level API documented in this manual deliberately lacks most convenience functions - those are left up to higher-level libraries based on frameworks such as GLib, Qt, Python, Mono, Java, etc. These higher-level libraries (often called "D-Bus bindings") have features such as object systems and main loops that allow a <em>much</em> more convenient API.</p>
<p>The low-level API also contains plenty of clutter to support integration with arbitrary object systems, languages, main loops, and so forth. These features add a lot of noise to the API that you probably don't care about unless you're coding a binding.</p>
<p>This manual also contains docs for <a class="el" href="group__DBusInternals.html">D-Bus internals</a>, so you can use it to get oriented to the D-Bus source code if you're interested in patching the code. You should also read the file HACKING which comes with the source code if you plan to contribute to D-Bus.</p>
<p>As you read the code, you can identify internal D-Bus functions because they start with an underscore ('_') character. Also, any identifier or macro that lacks a DBus, dbus_, or DBUS_ namepace prefix is internal, with a couple of exceptions such as <a class="el" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++. ">NULL</a>, <a class="el" href="group__DBusMacros.html#gaa8cecfc5c5c054d2875c03e77b7be15d" title="Expands to &quot;1&quot;. ">TRUE</a>, and <a class="el" href="group__DBusMacros.html#gaa93f0eb578d23995850d61f7d61c55c1" title="Expands to &quot;0&quot;. ">FALSE</a>. </p>
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