+/** Return the value of the field with the given name.
+ */
+__attribute__((nonnull(1,2)))
+const char *query_field_for_name(const query_t *query, const char *name);
+
+/** Returns the value of the field with the given id.
+ */
+__attribute__((nonnull))
+const char *query_field_for_id(const query_t *query, postlicyd_token id);
+