window_set_popup_c

	status.i4.v = window_set_popup_c(window_id.i2.v)

	This routine declares that window should be treated as a popup
	window.  This prevents other windows from being popped on top
	of it or being moved on top of it.

	window_id	window ID

	This function returns status values as follows:

	CBS_INVARG		invalid window ID was specified
	CBS_NO_WINDOW		requested window does not exist
	CBS_MEMFAIL		dynamic memory allocation failure
	TRUE			window was already a popup
	FALSE			window was not previously a popup

	This function requires the following include files:

	cnsparam_h, cbslib_h, acnet_errors_h

	Related functions:

	window_unset_popup_c, window_freeze_c, window_disable_restack_c,
	window_disable_move_c, window_num_popup_windows, intro_tv_windows

	C/C++ usage:

	short	window_id;
	int	status;

	status = window_set_popup_c(window_id);