ngtcp2_conn_get_num_active_dcid
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Synopsis
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*#include <ngtcp2/ngtcp2.h>*

.. function:: size_t ngtcp2_conn_get_num_active_dcid(ngtcp2_conn *conn)

    
    `ngtcp2_conn_get_num_active_dcid` returns the number of the active
    Destination Connection ID.