Function libnghttp2_sys::nghttp2_session_callbacks_set_data_source_read_length_callback

pub unsafe extern "C" fn nghttp2_session_callbacks_set_data_source_read_length_callback(
    cbs: *mut nghttp2_session_callbacks, 
    data_source_read_length_callback: nghttp2_data_source_read_length_callback
)

@function

Sets callback function determine the length allowed in :type:nghttp2_data_source_read_callback.