amap_pdu_base
code = AMAP_GET_BITS(struct amap_pdu_base, opcode, phdr);
AMAP_GET_BITS(struct amap_pdu_base, opcode, phdr),
bytes_needed = AMAP_GET_BITS(struct amap_pdu_base,
bytes_needed |= be16_to_cpu(AMAP_GET_BITS(struct amap_pdu_base,