get_child_by_name
err = get_child_by_name(envmonh, platform_tree_name, &node_hdl);
static int get_child_by_name(picl_nodehdl_t nodeh, const char *name,
vertices = get_child_by_name(root, (xmlChar *)TDG_XML_VERTICES);
if ((cn = get_child_by_name(xn, (xmlChar *)TDG_XML_OUTEDGES)) !=