Function lilv_sys::lilv_plugin_get_port_by_symbol

pub unsafe extern "C" fn lilv_plugin_get_port_by_symbol(
    plugin: *const LilvPlugin, 
    symbol: *const LilvNode
) -> *const LilvPort

Get a port on plugin by symbol. Note this function is slower than lilv_plugin_get_port_by_index(), especially on plugins with a very large number of ports.