Function wc_CreatePKCS8Key 

pub unsafe extern "C" fn wc_CreatePKCS8Key(
    out: *mut byte,
    outSz: *mut word32,
    key: *mut byte,
    keySz: word32,
    algoID: c_int,
    curveOID: *const byte,
    oidSz: word32,
) -> c_int