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April, 26th. 2006:
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DPMSQueryExtension
Section: X FUNCTIONS (3) Updated: libXext 1.3.3 Index
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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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