X25_ADDR_LEN
memset(&x25_sk(sk)->dest_addr, 0, X25_ADDR_LEN);
strnlen(addr->sx25_addr.x25_addr, X25_ADDR_LEN) == X25_ADDR_LEN) {
strnlen(addr->sx25_addr.x25_addr, X25_ADDR_LEN) == X25_ADDR_LEN)
memset(&x25->source_addr, '\0', X25_ADDR_LEN);
unsigned char addresses[1 + X25_ADDR_LEN];
len += 1 + X25_ADDR_LEN + X25_MAX_FAC_LEN + X25_MAX_CUD_LEN;