Function libnghttp2_sys::nghttp2_session_callbacks_set_pack_extension_callback

pub unsafe extern "C" fn nghttp2_session_callbacks_set_pack_extension_callback(
    cbs: *mut nghttp2_session_callbacks, 
    pack_extension_callback: nghttp2_pack_extension_callback
)

@function

Sets callback function invoked when the library asks the application to pack extension frame payload in wire format.