status.i4.v = wn_tv_map_c(screen_x.i4.v, screen_y.i4.v)

	This routine maps (displays) a graphic screen dialog window.

	screen_x	pixel x coordinate of the upper left hand corner
			of the window
	screen_y	pixel y coordinate of the upper left hand corner
			of the window

	This function returns ACNET status values as follows:

	OK			success
	CLIB_DUPREQ		dialog window already exists

	This function requires the following include files:

	cbslib_h, acnet_errors_h

	Related functions:

	wn_tv_unmap, wn_prepare_dialog_window_c,
	wn_calculate_dialog_coordinates_c, wn_decide_multiple_c,
	wn_acknowledge_c, wn_inptxt_c, wn_input_string_dialog_c,
	wn_switch_create_c, wn_select_field_init_c, wn_select_field_delete_c,
	wn_select_field_register_c, wn_select_field_read_c,
	wn_select_field_set_c, wn_select_field_set_by_value_c,
	wn_select_field_enable_c, wn_select_field_disable_c,
	wn_select_field_text_to_id_c, wn_select_field_display_info_c

	C/C++ usage:

	int	status;
	int	screen_x = X_COORD;
	int	screen_y = Y_COORD;

	status = wn_tv_map_c(screen_x,screen_y);