Function libnghttp2_sys::nghttp2_session_callbacks_set_send_callback

pub unsafe extern "C" fn nghttp2_session_callbacks_set_send_callback(
    cbs: *mut nghttp2_session_callbacks, 
    send_callback: nghttp2_send_callback
)

@function

Sets callback function invoked when a session wants to send data to the remote peer. This callback is not necessary if the application uses solely nghttp2_session_mem_send() to serialize data to transmit.