XtRemoveInput man page on BSDi

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XtAppAddInput(3Xt)	 XT FUNCTIONS	XtAppAddInput(3Xt)

NAME
       XtAppAddInput, XtRemoveInput - register and remove an
       input source

SYNTAX
       XtInputId XtAppAddInput(app_context, source, condition,
       proc, client_data)
	     XtAppContext app_context;
	     int source;
	     XtPointer condition;
	     XtInputCallbackProc proc;
	     XtPointer client_data;

       void XtRemoveInput(id)
	     XtInputId id;

ARGUMENTS
       app_context
		 Specifies the application context that identi-
		 fies the application.

       client_data
		 Specifies the argument that is to be passed to
		 the specified procedure when input is available.

       condition Specifies the mask that indicates a read, write,
		 or exception condition or some operating system
		 dependent condition.

       id	Specifies the ID returned from the corresponding
		 XtAppAddInput call.

       proc	Specifies the procedure that is to be called
		 when input is available.

       source	Specifies the source file descriptor on a UNIX-
		 based system or other operating system dependent
		 device specification.

DESCRIPTION
       The XtAppAddInput function registers with the Intrinsics
       read routine a new source of events, which is usually file
       input but can also be file output.  Note that file should
       be loosely interpreted to mean any sink or source of data.
       XtAppAddInput also specifies the conditions under which
       the source can generate events.	When input is pending on
       this source, the callback procedure is called.

       The legal values for the condition argument are operating-
       system dependent.  On a UNIX-based system, the condition
       is some union of XtInputReadMask, XtInputWriteMask, and
       XtInputExceptMask.  The XtRemoveInput function causes the
       Intrinsics read routine to stop watching for input from
       the input source.

X Version 11		Release 6.4				1

XtAppAddInput(3Xt)	 XT FUNCTIONS	XtAppAddInput(3Xt)

SEE ALSO
       XtAppAddTimeOut(3Xt),XtAppAddSignal(3Xt)
       X Toolkit Intrinsics - C Language Interface
       Xlib - C Language X Interface

BUGS
       In ANSI C it is necessary to cast the condition to an
       XtPointer, e.g.:
	   XtAppAddInput(app_context,
	       source,
	       (XtPointer) (XtInputReadMask | XtInputWriteMask),
	       proc,
	       client_data);

X Version 11		Release 6.4				2

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