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CentOS 7.0 - man page for xkbfreegeomoverlaykeys (centos section 3)

XkbFreeGeomOverlayKeys(3)		  XKB FUNCTIONS 		XkbFreeGeomOverlayKeys(3)

       XkbFreeGeomOverlayKeys - Free keys in an overlay row

       void XkbFreeGeomOverlayKeys (XkbRowPtr row, int first, int count, Bool free_all);

       - row  row in which keys should be freed

       - first
	      first key to be freed

       - count
	      number of keys to be freed

       - free_all
	      True => all keys are freed

       Xkb provides a number of functions to allocate and free subcomponents of a keyboard geome-
       try. Use these functions to create or modify keyboard geometries.  Note that  these  func-
       tions  merely  allocate	space  for the new element(s), and it is up to you to fill in the
       values explicitly in your code. These allocation functions increase sz_* but  never  touch
       num_* (unless there is an allocation failure, in which case they reset both sz_* and num_*
       to zero). These functions return Success if they succeed, BadAlloc if they are not able to
       allocate space, or BadValue if a parameter is not as expected.

       If  free_all is True, all keys are freed regardless of the value of first and count.  Oth-
       erwise, the number of keys specified by count are freed, beginning with the key	specified
       by first in the specified row.

       Success	      The XkbFreeGeomOverlayKeys function returns Success if there are no alloca-
		      tion or argument errors.

       BadAlloc       Unable to allocate storage

       BadValue       An argument is out of range

X Version 11				   libX11 1.6.0 		XkbFreeGeomOverlayKeys(3)

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