ptr</span> <span>&#45;&gt;</span> Unsigned.size_t <span>&#45;&gt;</span> <span>unit Ctypes_static.ptr</span> <span>&#45;&gt;</span> Unsigned.size_t <span>&#45;&gt;</span> Unsigned.size_t</code></dt><dd><p><code>matches_inbound_session_from
        sess
        their_identity_key their_identity_key_len
        one_time_key_msg one_time_key_msg_len
      </code></p><p>Checks if the PRE_KEY message is for this in-bound session. This can happen if multiple messages are sent to this account before this account s