Function nginx::DH_KDF_X9_42

pub unsafe extern "C" fn DH_KDF_X9_42(
    out: *mut c_uchar, 
    outlen: size_t, 
    Z: *const c_uchar, 
    Zlen: size_t, 
    key_oid: *mut ASN1_OBJECT, 
    ukm: *const c_uchar, 
    ukmlen: size_t, 
    md: *const EVP_MD
) -> c_int