Destroys either an entire xkbdescrec or just some of its members
void XkbFreeKeyboard (\^XkbDescPtr xkb\^, unsigned int which\^, Bool free_all\^);
xkb
keyboard description with components to free
which
mask selecting components to free
free_all
True => free all components and xkb
XkbFreeKeyboard frees the components of xkb specified by which and sets the corresponding values to NULL. If free_all is True, XkbFreeKeyboard frees every non-NULL component of xkb and then frees the xkb structure itself.