setbit
#define setbit(a,i) (((unsigned char *)(a))[(i)/NBBY] |= 1<<((i)%NBBY))
#define setbit(arr, val) (((u_char *)(arr))[(val)/NBBY] |= (1<<((val)%NBBY)))
#define setbit(a, i) ((a)[(i)/NBBY] |= 1<<((i)%NBBY))
#undef setbit
setbit(DBM *db)
setbit(void)
#define setbit(a, i) ((a)[(i)/NBBY] |= 1<<((i)%NBBY))
setbit(void)
#define setbit(a, i) ((a)[(i)/NBBY] |= (1 << ((i)%NBBY)))
#define setbit(a, i) ((a)[(i)/NBBY] |= 1<<((i)%NBBY))