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DPMSQueryExtension(3)		  X FUNCTIONS		 DPMSQueryExtension(3)

NAME
       DPMSQueryExtension - queries the	X server to determine the availability
       of the DPMS Extension

SYNOPSIS
       cc [ flag ... ] file ...	-lXext [ library ... ]
       #include	<X11/extensions/dpms.h>

       Bool DPMSQueryExtension
	      (
		    Display *display,
		    int	*event_base,
		    int	*error_base
	      );

ARGUMENTS
       display
	      Specifies	the connection to the X	server

       event_base
	      Specifies	the return location for	the assigned base event

       error_base
	      Specifies	the return location for	the assigned base error

DESCRIPTION
       The DPMSQueryExtension function queries the X server to	determine  the
       availability  of	 the  Display Power Management Signaling (DPMS)	Exten-
       sion.  If  the  extension  is  available,  it  returns  TRUE,  and  the
       event_base  and error_base are set to the base event and	error numbers,
       respectively.  Otherwise, the return value is FALSE, and	the values  of
       event_base and error_base are undefined.

RETURN VALUES
       TRUE	      The  DPMSQueryExtension function returns TRUE if the ex-
		      tension is available, and	event_base and error_base  are
		      set  to  the base	event number and base error number for
		      the extension, respectively.

       FALSE	      The DPMSQueryExtension function returns FALSE if	exten-
		      sion  is not available, and the values of	event_base and
		      error_base are undefined.

SEE ALSO
       DPMSGetVersion(3)

X Version 11			 libXext 1.3.3		 DPMSQueryExtension(3)

NAME | SYNOPSIS | ARGUMENTS | DESCRIPTION | RETURN VALUES | SEE ALSO

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