ptb_data         2460 dev/i2o/iop.c  			rv = copyin(ptb->ptb_data, buf, ptb->ptb_datalen);
ptb_data         2491 dev/i2o/iop.c  		rv = copyout(buf, ptb->ptb_data, ptb->ptb_datalen);
ptb_data           58 dev/i2o/iopio.h 	void	*ptb_data;	/* pointer to buffer */