HOWMANY
HOWMANY(fatVolume->pm_rootdirsize * DEV_BSIZE, fatVolume->pm_BytesPerSec);
for (uint32 skip = HOWMANY(newLength, fatVolume->pm_bpcluster); skip > 0 && status == B_OK;
size = HOWMANY(size, B_PAGE_SIZE);
size_t pages = HOWMANY(_size, B_PAGE_SIZE);
uint32 bytes = HOWMANY(count, NFDBITS) * sizeof(fd_mask);
memset(set, 0, HOWMANY(numFDs, NFDBITS) * sizeof(fd_mask));
uint32 bytes = HOWMANY(numFDs, NFDBITS) * sizeof(fd_mask);
for (uint32 i = 0; i < HOWMANY(physicalSize, B_PAGE_SIZE); i++) {