338 			int	rest;  in readwc()  local
339 			if ((rest = f->fend - f->fnxt) < i) {  in readwc()
347 					(f->fsiz == 1) ? 1 : (f->fsiz - rest),  in readwc()
348 					rest);  in readwc()
394 readb(struct fileblk *f, int toread, int rest)  in readb()  argument
399 	if (rest) {  in readb()
404 		(void) memcpy(f->fbuf, f->fnxt, rest);  in readb()
406 		f->fend = f->fnxt + rest;  in readb()
408 		f->endoff = rest;  in readb()
409 		if (f->fbuf[rest - 1] == '\n') {  in readb()
414 			return (rest);  in readb()
428 	} while ((len = read(f->fdes, f->fbuf + rest, toread)) < 0 && trapnote);  in readb()
452 	f->fend = f->fnxt + (len + rest);  in readb()
454 	f->endoff = len + rest;  in readb()
455 	return (len + rest);  in readb()