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

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XkbResizeDeviceButtonActions(3) 	  XKB FUNCTIONS 	  XkbResizeDeviceButtonActions(3)

       XkbResizeDeviceButtonActions - Allocate additional space for button actions in an XkbDevi-
       ceInfoRec structure

       Status	XkbResizeDeviceButtonActions   (XkbDeviceInfoPtr   device_info,   unsigned    int

       - device_info
	      structure in which to allocate button actions

       - new_total
	      new total number of button actions needed

       XkbResizeDeviceButtonActions  reallocates  space, if necessary, to make sure there is room
       for a total of new_total button actions in the  device_info  structure.	Any  new  entries
       allocated  are  zeroed.	If  successful,  XkbResizeDeviceButtonActions returns Success. If
       new_total is zero, all button actions are deleted, device_info->num_btns is set	to  zero,
       and  device_info->btn_acts  is  set  to	NULL.  If  device_info is invalid or new_total is
       greater than 255, BadValue is returned. If a memory allocation failure occurs, a  BadAlloc
       is returned.

       To free an XkbDeviceInfoRec structure, use XkbFreeDeviceInfo.

       Information  about  X  Input Extension devices is transferred between a client program and
       the Xkb extension in an XkbDeviceInfoRec structure:

	   typedef struct {
	       char *		    name;	   /* name for device */
	       Atom		    type;	   /* name for class of devices */
	       unsigned short	    device_spec;   /* device of interest */
	       Bool		    has_own_state; /* True=>this device has its own state */
	       unsigned short	    supported;	   /* bits indicating supported capabilities */
	       unsigned short	    unsupported;   /* bits indicating unsupported capabilities */
	       unsigned short	    num_btns;	   /* number of entries in btn_acts */
	       XkbAction *	    btn_acts;	   /* button actions */
	       unsigned short	    sz_leds;	   /* total number of entries in LEDs vector */
	       unsigned short	    num_leds;	   /* number of valid entries in LEDs vector */
	       unsigned short	    dflt_kbd_fb;   /* input extension ID of default (core kbd) indicator */
	       unsigned short	    dflt_led_fb;   /* input extension ID of default indicator feedback */
	       XkbDeviceLedInfoPtr  leds;	   /* LED descriptions */
	   } XkbDeviceInfoRec, *XkbDeviceInfoPtr;

       BadAlloc       Unable to allocate storage

       BadValue       An argument is out of range


X Version 11				   libX11 1.6.0 	  XkbResizeDeviceButtonActions(3)
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