<section id="sect-Protocol-Wire-Format">
<title>Wire Format</title>
<para>
- The protocol is sent over a UNIX domain stream socket. Currently, the
- endpoint is named <systemitem class="service">\wayland</systemitem>,
- but it is subject to change. The protocol is message-based. A
+ The protocol is sent over a UNIX domain stream socket, where the endpoint
+ usually is named <systemitem class="service">wayland-0</systemitem>
+ (although it can be changed via <emphasis>WAYLAND_DISPLAY</emphasis>
+ in the environment). The protocol is message-based. A
message sent by a client to the server is called request. A message
from the server to a client is called event. Every message is
structured as 32-bit words, values are represented in the host's
</listitem>
</varlistentry>
<varlistentry>
+ <term>fixed</term>
+ <listitem>
+ <para>
+ Signed 24.8 decimal numbers. It is a signed decimal type which
+ offers a sign bit, 23 bits of integer precision and 8 bits of
+ decimal precision. This is exposed as an opaque struct with
+ conversion helpers to and from double and int on the C API side.
+ </para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
<term>string</term>
<listitem>
<para>
Starts with an unsigned 32-bit length, followed by the
- string contents, including terminating NUL byte, then padding to a
- 32-bit boundary.
+ string contents, including terminating null byte, then padding
+ to a 32-bit boundary.
</para>
</listitem>
</varlistentry>