pub unsafe extern "C" fn s2n_connection_server_name_extension_used(
    conn: *mut s2n_connection
) -> i32
Expand description

Must be invoked if any of the connection properties were changed on the basis of the server_name extension. This must be invoked before marking the Client Hello callback done.

@param conn The connection object being updated @returns S2N_SUCCESS on success. S2N_FAILURE on failure