SWAP_BBUF_NOT    1951 regparse.c         SWAP_BBUF_NOT(bbuf1, not1, bbuf2, not2);
SWAP_BBUF_NOT    1968 regparse.c         SWAP_BBUF_NOT(bbuf1, not1, bbuf2, not2);
SWAP_BBUF_NOT    2051 regparse.c         SWAP_BBUF_NOT(bbuf1, not1, bbuf2, not2);