pub unsafe extern "C" fn rc_filter_multiply_three(
f1: rc_filter_t,
f2: rc_filter_t,
f3: rc_filter_t,
out: *mut rc_filter_t,
) -> c_intpub unsafe extern "C" fn rc_filter_multiply_three(
f1: rc_filter_t,
f2: rc_filter_t,
f3: rc_filter_t,
out: *mut rc_filter_t,
) -> c_int