PDQ_OS_DATABUF_NEXT_SET  269 dev/ic/pdqvar.h #define	PDQ_OS_DATABUF_NEXT_SET(b, b1)		((b)->m_next = (b1))
PDQ_OS_DATABUF_NEXT_SET  302 dev/ic/pdqvar.h #define	PDQ_OS_DATABUF_NEXT_SET(b, b1)		((b)->b_cont = (b1))