Function mpn_gcdext

pub unsafe extern "C" fn mpn_gcdext(
    gp: *mut limb_t,
    sp: *mut limb_t,
    sn: *mut size_t,
    up: *mut limb_t,
    un: size_t,
    vp: *mut limb_t,
    vn: size_t,
) -> size_t

See: mpn_gcdext