typedef struct {

    DeviceSequenceNumber deviceSequenceNumber;

} CmdGetHwModelIn;


#define CODING_8(ptr, val) { \

    unsigned char *zcitf_coding_ptr = (unsigned char *)(ptr); \

    *zcitf_coding_ptr = (val) & 0xff; \

    ptr++; \

}

#define CODING_32(ptr, val) { \

    unsigned char *zcitf_coding_ptr = (unsigned char *)(ptr); \

    *zcitf_coding_ptr++ = ((val) >> 24) & 0xff; \

    *zcitf_coding_ptr++ = ((val) >> 16) & 0xff; \

    *zcitf_coding_ptr++ = ((val) >> 8) & 0xff; \

    *zcitf_coding_ptr = (val) & 0xff; \

    ptr += 4; \

}

int CmdGetHwModelInEncode(unsigned char *buf, int size, void *p)

{

    CmdGetHwModelIn *in = (CmdGetHwModelIn *)p;

    CODING_8(buf, p->deviceSequenceNumber);

    CODING_32(buf, p->i);



    return 0;

}


帮个忙把，详细点，最好把没句号都说一下，谢谢了，