Function EVP_PKEY_new_raw_private_key_ex 

pub unsafe extern "C" fn EVP_PKEY_new_raw_private_key_ex(
    ctx: *mut OSSL_LIB_CTX,
    keytype: *const c_char,
    propq: *const c_char,
    key: *const c_uchar,
    keylen: size_t,
) -> *mut EVP_PKEY