NBBY 159 include/sys/param.h #define setbit(a,i) ((a)[(i)/NBBY] |= 1<<((i)%NBBY)) NBBY 160 include/sys/param.h #define clrbit(a,i) ((a)[(i)/NBBY] &= ~(1<<((i)%NBBY))) NBBY 161 include/sys/param.h #define isset(a,i) ((a)[(i)/NBBY] & (1<<((i)%NBBY))) NBBY 162 include/sys/param.h #define isclr(a,i) (((a)[(i)/NBBY] & (1<<((i)%NBBY))) == 0) NBBY 116 include/sys/types.h #define NFDBITS (sizeof(fd_mask) * NBBY) /* bits per mask */