tvclrc (ul_tvcurses)

	tvclrc()

	Erase the entire background window

	This function requires the following include files:

	ul_tvcurses_h:tvcurses_h

	Related functions:

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

	C usage:

	tvclrc();