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unsigned long remain_in_buf,length, buf_length, where_b;
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unsigned long max_packet,max_packet_size;
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unsigned int pkt_nr,compress_pkt_nr;
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unsigned int *return_status;
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unsigned char reading_or_writing;
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Pointer to query object in query cache, do not equal NULL (0) for
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queries in cache that have not stored its results yet
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Unused, please remove with the next incompatible ABI change.
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/** Client library error message buffer. Actually belongs to struct MYSQL. */
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char last_error[MYSQL_ERRMSG_SIZE];
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/** Client library sqlstate buffer. Set along with the error message. */