NAME¶
XkbFindOverlayForKey - Find the alternate name by using the primary name for a
  key that is part of an overlay
SYNOPSIS¶
char * XkbFindOverlayForKey (XkbGeometryPtr
  geom, XkbSectionPtr section, char
  *under);
ARGUMENTS¶
  - - geom
 
  - geometry that contains the section
 
  - - section
 
  - section to be searched for matching keys
 
  - - under
 
  - primary name of the key to be considered
 
DESCRIPTION¶
Keys that can generate multiple keycodes may be associated with multiple names.
  Such keys have a primary name and an alternate name.
XkbFindOverlayForKey uses the primary name of the key, 
under, to
  look up the alternate name, which it returns.