CHADDR_SIZE
uint8_t pc_smac[CHADDR_SIZE];
uint8_t pc_dmac[CHADDR_SIZE];
unsigned char iabuf[CHADDR_SIZE];
u_int8_t haddr[CHADDR_SIZE];
if (pc->pc_hlen > CHADDR_SIZE)
pc->pc_hlen = CHADDR_SIZE;
uint8_t pc_smac[CHADDR_SIZE];
uint8_t pc_dmac[CHADDR_SIZE];
u_int8_t haddr[CHADDR_SIZE];