DPMSQueryExtension(3) - phpMan

DPMSQueryExtension(3)                      X FUNCTIONS                      DPMSQueryExtension(3)



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

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) Extension.  If the extension is available, it
       returns TRUE, and the event_base and error_base are set to the base event and  error  num-
       bers,  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 extension  is  not  avail-
                      able, and the values of event_base and error_base are undefined.

SEE ALSO
       DPMSGetVersion(3)



X Version 11                              libXext 1.0.4                     DPMSQueryExtension(3)

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