Function libnghttp2_sys::nghttp2_session_callbacks_set_send_data_callback

pub unsafe extern "C" fn nghttp2_session_callbacks_set_send_data_callback(
    cbs: *mut nghttp2_session_callbacks, 
    send_data_callback: nghttp2_send_data_callback
)

@function

Sets callback function invoked when :enum:NGHTTP2_DATA_FLAG_NO_COPY is used in :type:nghttp2_data_source_read_callback to avoid data copy.