debian man page for dpmsenable

DPMSEnable(3)							    X FUNCTIONS 						     DPMSEnable(3)

NAME
       DPMSEnable - enables DPMS on the specified display

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

       Status DPMSEnable ( Display *display );

ARGUMENTS
       display
	      Specifies the connection to the X server

DESCRIPTION
       The  DPMSEnable	function  enables Display Power Management Signaling (DPMS) on the specified display.  When DPMS is enabled, DPMS will use
       the currently saved timeout values. It will trigger the appropriate DPMS power level based on the timeout values. Refer to DPMSSetTimeouts.
       All physical screens are affected by DPMSEnable at the same time.

       If DPMSEnable is invoked on a display which has DPMS already enabled, or on a display which does not support DPMS, no change is made and no
       error is returned.

RETURN VALUES
       TRUE	      The DPMSEnable function always returns TRUE.

SEE ALSO
       DPMSCapable(3), DPMSDisable(3), DPMSGetTimeouts(3), DPMSSetTimeouts(3)

X Version 11							   libXext 1.3.1						     DPMSEnable(3)