Method last_node

Gets last child node, optionally matching node name. Behaviour is undefined if node has no children. Use first_node() to test if node has children. \param name Name of child to find, or 0 to return last child regardless of its name; this string doesn't have to be zero-terminated if name_size is non-zero \param name_size Size of name, in characters, or 0 to have size calculated automatically from s