"Correct" way to playback user movement with xlib?

I'm trying to figure out a way to make demos for a program I've written with xlib, and I came across this, but, according to the author page:

This extension is not intended to support general journaling and playback 开发者_运维知识库of user actions.

Does anyone know of any functions in xlib that are intended to support playback of user actions? Does it even exist? Or could I just use this without any real problems?

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You can fake input with Xtest and record events with the record extension.

http://www.x.org/docs/Xext/xtest.pdf

http://www.xfree86.org/current/recordlib.pdf