Function dlog_power_init 

pub unsafe extern "C" fn dlog_power_init(
    t: *mut dlog_power_struct,
    a: mp_limb_t,
    mod_: mp_limb_t,
    p: mp_limb_t,
    e: mp_limb_t,
    num: mp_limb_t,
) -> mp_limb_t