_keys : <span><a href="../Types/Account/index.html#type-t">Types.Account.t</a> Ctypes_static.ptr</span> <span>&#45;&gt;</span> <span>unit Ctypes_static.ptr</span> <span>&#45;&gt;</span> Unsigned.size_t <span>&#45;&gt;</span> Unsigned.size_t</code></dt><dd><p><code>account_identity_keys acc identity_keys identity_keys_len</code></p><p>Writes the public parts of the identity keys for the account into the identity_keys output buffer. Returns olm_error() on failure. If the identity_keys buffer was too small the