killbuffer
ret = killbuffer(bp);
killbuffer(bp);
int killbuffer(struct buffer *);
killbuffer(bp);
killbuffer(bp);
status = killbuffer(curbp);
killbuffer(bp);
killbuffer(bp);
killbuffer(bp);
killbuffer(bp);
killbuffer(curbp);
killbuffer(bufp);