in_line.i4.v = in_window_line(window_id.i2.r, row.i4.r)

	in_line.i4.v = in_window_line_c(window_id.i2.v, row.i4.v)

	This routine will return a value of TRUE if the TV cursor was in
	in "row" in the window indicated by "window_id" the last time the
	window_intype routine was called.

	window_id	window ID (use WMNGR_BACKGROUND for background window)
	row		row of interest

	This function returns status values as follows:

	CBS_MEMFAIL		dynamic memory allocation failure
	TRUE			interrupt was in the requested window line
	FALSE			interrupt was not in the requested window line

	This function requires the following include files:

	cnsparam_h, cbslib_h, acnet_errors_h

	Related functions:

	in_window_field(_c), in_window_box(_c), binfld(_c), binbox(_c),
	in_window_c, intro_tv_windows

	C/C++ usage:

	short	window_id;
	int	in_line;
	int	row = 1;

	in_line = in_window_line_c(window_id,row);