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DPMSQueryExtension

Section: X FUNCTIONS (3)
Updated: libXext 1.3.3
Index Return to Main Contents
 

NAME

DPMSQueryExtension - queries the X server to determine the availability of 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

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)


 

Index

NAME
SYNOPSIS
ARGUMENTS
DESCRIPTION
RETURN VALUES
SEE ALSO


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