DPMSInfo - Man Page

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

Status DPMSInfo
(
      Display *display,
      CARD16 *power_level,
      BOOL *state
);

display

Specifies the connection to the X server

power_level

Specifies the current power level

state

Specifies the current DPMS state

The DPMSInfo function returns information about the current Display Power Management Signaling (DPMS) state. The state return parameter indicates whether or not DPMS is enabled (TRUE) or disabled (FALSE). The power_level return parameter indicates the current power level (one of DPMSModeOn, DPMSModeStandby, DPMSModeSuspend, or DPMSModeOff.)

TRUE

The DPMSInfo function returns TRUE, if values are returned.

FALSE

The DPMSInfo function returns FALSE, if no values are returned.

DPMSEnable(3)

DPMSForceLevel(3), DPMSGetTimeouts(3), DPMSSetTimeouts(3).