return (buf[0] << 8) | buf[1];
}
-void read_huffman_tables(huffman_tables_t* dst, raw_input_func_t* input_func, void* userdata)
+void read_huffman_tables(huffman_tables_t* dst, input_func_t* input_func, void* userdata)
{
size_t len = read_length(input_func, userdata);
assert(len > 2);