XvSelectPortNotify man page on BSDi

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XvSelectPortNotify(3X)			XvSelectPortNotify(3X)

Name
       XvSelectPortNotify  -  enable  or disable XvPortNotify(3X)
       events

Syntax
       #include <X11/extensions/Xvlib.h>

       XvSelectPortNotify(dpy, port, onoff)

       Display *dpy;
       XvPortID port;
       Bool onoff;

Arguments
       dpy     Specifies the display screen on which the X Server
	       is to accept requests from X clients.  If the dis-
	       play option is not specified, X uses  the  display
	       screen specified by your DISPLAY environment vari-
	       able.  The display option  has  the  format  host-
	       name:number.  Using two colons (::) instead of one
	       (:) indicates that DECnet is to be used for trans-
	       port.

       port    Specifies the port for which PortNotify events are
	       to be generated when its attributes  are	 changed
	       using XvSetPortAttribute(3X).

       onoff   Specifies whether notification is to be enabled or
	       disabled.

Description
       XvSelectPortNotify(3X)  enables	or  disables   PortNotify
       event delivery to the requesting client. XvPortNotify(3X)
       events are generated  when  port attributes  are	 changed
       using XvSetPortAttribute(3X).

Returned Values
       [Success]
	       Returns	True  if XvSelectPortNotify(3X) completed
	       successfully.

       [XvBadExtension]
	       Returned if the Xv extension is unavailable.

       [XvBadAlloc]
	       Returned if XvSelectPortNotify(3X) failed to allo-
	       cate memory to process the request.

Diagnostics
       [XvBadPort]
	       Generated if the requested port does not exist.

See Also
       XvSetPortNotify(3X),		XvSetPortAttribute(3X),

								1

XvSelectPortNotify(3X)			XvSelectPortNotify(3X)

       XvPortNotify(3X)

								2

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