tvm_centerc (ul_tvcurses)

	tvm_centerc(row.i4.v, text.i1a.r, num_chars.i4.v, bold.i4.v)

	Draw a string centered on the background window

	row		TV row
	text		user buffer of ASCII data to be written, one
			character per byte
	num_chars	number of ASCII characters to be written to
			the TV screen
	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, tvinit, tv_cleanup, tvfillc, tvhlinc,
	tvvlinc, tvboxc, tvblnkc, tvceolc, tvceopc, tvclrc,
	rdcursc, tvscrsc, tvrfmtc, tvsetcolorc

	C usage:

	static const char	text[] = "Text";
	int	row = 1;
	int	num_chars = 0;
	int	bold = FALSE;

	tvm_centerc(row,text,num_chars,bold);