pub unsafe extern "C" fn nng_dial(
arg1: nng_socket,
arg2: *const c_char,
arg3: *mut nng_dialer,
arg4: c_int
) -> c_int
pub unsafe extern "C" fn nng_dial(
arg1: nng_socket,
arg2: *const c_char,
arg3: *mut nng_dialer,
arg4: c_int
) -> c_int