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DPMSQueryExtension

Section: X FUNCTIONS (3)
Updated: libXext 1.3.4
Index 

NAME

DPMSQueryExtension - queries the X server to determine the availabilityof the DPMS Extension 

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

TheDPMSQueryExtensionfunction queries the X server to determine the availability of theDisplay Power Management Signaling (DPMS)Extension. If the extension is available, it returns TRUE, and theevent_baseanderror_baseare set to the base event and error numbers, respectively. Otherwise, thereturn value is FALSE, and thevalues ofevent_baseanderror_baseare undefined. 

RETURN VALUES

TRUE
TheDPMSQueryExtensionfunction returns TRUE if the extension is available,andevent_baseanderror_baseare set to the base event number and base error number for the extension,respectively.
FALSE
TheDPMSQueryExtensionfunction returns FALSE if extension is not available, and the values ofevent_baseanderror_baseare undefined.
 

SEE ALSO

DPMSGetVersion(3)


 

Index

NAME
SYNOPSIS
ARGUMENTS
DESCRIPTION
RETURN VALUES
SEE ALSO

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