t_error will be OUTPUT_BUFFER_TOO_SMALL if the buffer was too small.</p></dd></dl><dl><dt class="spec value" id="val-get_library_version"><a href="#val-get_library_version" class="anchor"></a><code><span class="keyword">val</span> get_library_version : <span>Unsigned.uint8 Ctypes_static.ptr</span> <span>&#45;&gt;</span> <span>Unsigned.uint8 Ctypes_static.ptr</span> <span>&#45;&gt;</span> <span>Unsigned.uint8 Ctypes_static.ptr</span> <span>&#45;&gt;</span> unit</code></dt><dd><p><code>get_library_version maj