DragonFly On-Line Manual Pages

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
		      extension 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)