void resetCharsets(screen) TScreen *screen;
void resetCharsets(TScreen *screen)
void resetCharsets(screen)	TScreen *screen;{	screen->gsets[0] = 'B';			/* ASCII_G		*/	screen->gsets[1] = '0';			/* line drawing		*/	screen->gsets[2] = 'B';			/* DEC supplemental.	*/	screen->gsets[3] = 'B';	screen->curgl = 0;			/* G0 => GL.		*/	screen->curgr = 2;			/* G2 => GR.		*/	screen->curss = 0;			/* No single shift.	*/}