Function nj_core::sys::napi_create_function

pub unsafe extern "C" fn napi_create_function(
    env: *mut napi_env__, 
    utf8name: *const i8, 
    length: usize, 
    cb: Option<unsafe extern "C" fn(*mut napi_env__, *mut napi_callback_info__) -> *mut napi_value__>, 
    data: *mut c_void, 
    result: *mut *mut napi_value__
) -> u32