5c6e438fc4
Canonicalize all reply structures onto stack allocation and static initialization, like already done in most other extension. So make the code easier to understand and allow further simplifications by subsequent commits. Also gaining a little bit efficiency by skipping some heap allocations. Dynamically sized buffers (where the upper bound isn't known), are still allocated on heap. Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
X Server
The X server accepts requests from client applications to create windows, which are (normally rectangular) "virtual screens" that the client program can draw into.
Windows are then composed on the actual screen by the X server (or by a separate composite manager) as directed by the window manager, which usually communicates with the user via graphical controls such as buttons and draggable titlebars and borders.
For a comprehensive overview of X Server and X Window System, consult the following article: https://en.wikipedia.org/wiki/X_server
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