struct path *path);
struct pcep_message *pcep_lib_format_request_cancelled(uint32_t reqid);
-struct pcep_message *pcep_lib_format_error(int error_type, int error_value);
+struct pcep_message *pcep_lib_format_error(int error_type, int error_value,
+ struct path *path);
struct path *pcep_lib_parse_path(struct pcep_message *msg);
void pcep_lib_parse_capabilities(struct pcep_message *msg,
struct pcep_caps *caps);