extern void yang_str2prefix(const char *value, union prefixptr prefix);
extern struct yang_data *yang_data_new_prefix(const char *xpath,
union prefixconstptr prefix);
-extern void yang_dnode_get_prefix(union prefixptr prefix,
+extern void yang_dnode_get_prefix(struct prefix *prefix,
const struct lyd_node *dnode,
const char *xpath_fmt, ...);
extern void yang_get_default_prefix(union prefixptr var, const char *xpath_fmt,