ngtcp2_conn_after_retry
=======================

Synopsis
--------

*#include <ngtcp2/ngtcp2.h>*

.. function:: int ngtcp2_conn_after_retry(ngtcp2_conn *conn)

    
    `ngtcp2_conn_after_retry` returns nonzero if *conn* as a client has
    received Retry packet from server, and successfully validated it.