-#ifndef HEADER_SYNCH_H
-#define HEADER_SYNCH_H 1
+#ifndef THREADS_SYNCH_H
+#define THREADS_SYNCH_H
#include <list.h>
#include <stdbool.h>
void cond_broadcast (struct condition *, struct lock *);
const char *cond_name (const struct condition *);
-#endif /* synch.h */
+#endif /* threads/synch.h */