#[unsafe(no_mangle)]pub unsafe extern "C" fn lmflow_graph_add_poller(
g: *mut LMFlowGraph,
port: *const c_char,
) -> *mut LMFlowPoller#[unsafe(no_mangle)]pub unsafe extern "C" fn lmflow_graph_add_poller(
g: *mut LMFlowGraph,
port: *const c_char,
) -> *mut LMFlowPoller