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Man Pages


Manual Reference Pages  -  DPMSQUERYEXTENSION (3)

NAME

DPMSQueryExtension - queries the X server to determine the availability of the DPMS Extension

CONTENTS

Synopsis
Arguments
Description

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 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 extension is not available, and the values of event_base and error_base are undefined.

SEE ALSO

DPMSGetVersion(3)
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X Version 11 DPMSQUERYEXTENSION (3) libXext 1.3.3

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