MASK
fExtents[i].br_startoff = (first & MASK(63)) >> 9;
fExtents[i].br_startblock = ((first & MASK(9)) << 43) | (second >> 21);
fExtents[i].br_blockcount = second & MASK(21);
(*fMap)->br_startoff = (firstHalf & MASK(63)) >> 9;
(*fMap)->br_startblock = ((firstHalf & MASK(9)) << 43) | (secondHalf >> 21);
(*fMap)->br_blockcount = secondHalf & MASK(21);
xfs_fileoff_t startoff = (*((uint64*)pointerToMap) & MASK(63)) >> 9;
fMap->br_startoff = (firstHalf & MASK(63)) >> 9;
fMap->br_startblock = ((firstHalf & MASK(9)) << 43) | (secondHalf >> 21);
fMap->br_blockcount = (secondHalf & MASK(21));
entry->br_startoff = (first & MASK(63)) >> 9;
entry->br_startblock = ((first & MASK(9)) << 43) | (second >> 21);
entry->br_blockcount = second & MASK(21);
#define FSBLOCKS_TO_AGBLOCKNO(n, volume) ((n) & MASK(volume->AgBlocksLog()))
fMap->br_startoff = (firstHalf & MASK(63)) >> 9;
fMap->br_startblock = ((firstHalf & MASK(9)) << 43) | (secondHalf >> 21);
fMap->br_blockcount = secondHalf & MASK(21);
xfs_fileoff_t startoff = (B_BENDIAN_TO_HOST_INT64(*pointerToMap) & MASK(63)) >> 9;
fMap->br_startoff = (firstHalf & MASK(63)) >> 9;
fMap->br_startblock = ((firstHalf & MASK(9)) << 43) | (secondHalf >> 21);
fMap->br_blockcount = secondHalf & MASK(21);
fMap->br_startblock = ((firstHalf & MASK(9)) << 43) | (secondHalf >> 21);
fMap->br_blockcount = secondHalf & MASK(21);
startoff = (startoff & MASK(63)) >> 9;
fMap->br_startoff = (firstHalf & MASK(63)) >> 9;
fMap->br_startoff = (firstHalf & MASK(63)) >> 9;
fMap->br_startblock = ((firstHalf & MASK(9)) << 43) | (secondHalf >> 21);
fMap->br_blockcount = secondHalf & MASK(21);
fMap.br_startoff = (firstHalf & MASK(63)) >> 9;
fMap.br_startblock = ((firstHalf & MASK(9)) << 43) | (secondHalf >> 21);
fMap.br_blockcount = secondHalf & MASK(21);
config: CONFIG BASE NUMBER MASK NUMBER LAST_INDEX NUMBER
| cftab IRQ_NO MASK NUMBER
%token IRQ_NO MASK LEVEL PULSE SHARED