MP_CAN_MMAP
if (dbmfp->addr != NULL && F_ISSET(mfp, MP_CAN_MMAP))
if (F_ISSET(mfp, MP_CAN_MMAP)) {
F_CLR(mfp, MP_CAN_MMAP);
F_CLR(mfp, MP_CAN_MMAP);
F_CLR(mfp, MP_CAN_MMAP);
F_CLR(mfp, MP_CAN_MMAP);
F_CLR(mfp, MP_CAN_MMAP);
if (F_ISSET(mfp, MP_CAN_MMAP)) {
F_CLR(mfp, MP_CAN_MMAP);
F_SET(mfp, MP_CAN_MMAP);
F_ISSET(mfp, MP_CAN_MMAP) ? "mmap" : "read/write");