String functions Helper functions for conversions to and from different types of strings. @utf8_string: @length: @Returns: @raw_string: @Returns: @float_bytes: @Returns: @double_bytes: @Returns: @descriptor: @Returns: @descriptor: @Returns: @descriptor: @Returns: @access_flag: @is_class: @Returns: @class_name: @Returns: @method_signature: @Returns: @class_name: @path_slash: @Returns: @type_string: @Returns: