Status XkbGetGeometry (Display *dpy, XkbDescPtr xkb);
connection to the X server
keyboard description that contains the ID for the keyboard and into which the geometry should be loaded
You can load a keyboard geometry as part of the keyboard description returned by XkbGetKeyboard. However, if a keyboard description has been previously loaded, you can instead obtain the geometry by calling the XkbGetGeometry. In this case, the geometry returned is the one associated with the keyboard whose device ID is contained in the keyboard description.
XkbGetGeometry can return BadValue, BadImplementation, BadName, BadAlloc, or BadLength errors or Success if it succeeds.
Unable to allocate storage
Invalid reply from server
The length of a request is shorter or longer than that required to minimally contain the arguments
A font or color of the specified name does not exist
An argument is out of range