classify
#define is_bad(c) (classify[(c)&0x7f]&B_)
#define is_cmd(c) (classify[(c)&0x7f]&(M_|E_|C_|U_))
#define is_move(c) (classify[(c)&0x7f]&M_)
#define is_extend(c) (classify[(c)&0x7f]&E_)
#define is_long(c) (classify[(c)&0x7f]&X_)
#define is_undoable(c) (!(classify[(c)&0x7f]&U_))
#define is_srch(c) (classify[(c)&0x7f]&S_)
#define is_zerocount(c) (classify[(c)&0x7f]&Z_)
const unsigned char classify[128] = {
void *clfier, void *(*classify)(void *, struct mbuf *, int))
ifq->altq_classify = classify;
c = classify(&key, &islsb);
c = classify(&key, &islsb);
c = classify(&key, &islsb);
static class classify(uint_fast16_t *key, _Bool *islsb);