Symbol: clrbit
sys/sys/param.h
318
#define clrbit(a,i) (((unsigned char *)(a))[(i)/NBBY] &= ~(1<<((i)%NBBY)))
tools/tools/ath/athregs/dumpregs.c
657
#define clrbit(a,i) ((a)[(i)/NBBY] &= ~(1<<((i)%NBBY)))