NFDBITS 638 kern/sys_generic.c ni = howmany(nd, NFDBITS) * sizeof(fd_mask); NFDBITS 751 kern/sys_generic.c for (i = 0; i < nfd; i += NFDBITS) { NFDBITS 752 kern/sys_generic.c bits = pibits->fds_bits[i/NFDBITS];