tvboxc (ul_tvcurses)

	status.i4.v = tvboxc(left_column.i4.v, top_row.i4.v, right_column.i4.v,
			     bottom_row.i4.v, bold.i4.v)

	Draw a box on the background window

	left_column	left hand column of box
	top_row		top row of box
	right_column	right hand column of box
	bottom_row	bottom row of box
	bold		bold text flag
			(TRUE -> display bold text,
			 FALSE -> display normal text)

	This function requires the following include files:

	ul_tvcurses_h:tvcurses_h

	Related functions:

	tvmc, tvflshc, tvm_centerc, tvinit, tv_cleanup, tvfillc, tvhlinc,
	tvvlinc, tvblnkc, tvceolc, tvceopc, tvclrc, rdcursc, tvscrsc, tvrfmtc,
	tvsetcolorc

	C usage:

	int	status;
	int	left_column = 1;
	int	top_row = 1;
	int	right_column = 4;
	int	bottom_row = 4;
	int	bold = FALSE;

	status = tvboxc(left_column,top_row,right_column,bottom_row,bold);