Manpages - DPMSCapable.3

DPMSCapable - returns the DPMS capability of the X server

  cc [ flag ... ] file ... -lXext [ library ... ]
  #include <X11/extensions/dpms.h>
  Bool DPMSCapable ( Display *display  );

display

Specifies the connection to the X server

The DPMSCapable function returns the Display Power Management Signaling (DPMS) capability of the X server, either TRUE  (capable of DPMS ) or FALSE  (incapable of DPMS ).

True

The DPMSCapable function returns True if the X server is capable of DPMS.

False

The DPMSCapable function returns True if the X server is incapable of DPMS.