X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~mdw/git/disorder/blobdiff_plain/e7eb3a2744aa45179daea235800753d3d1955338..657fdb79cbec:/lib/timeval.h

diff --git a/lib/timeval.h b/lib/timeval.h
index 2911dd4..fe2906c 100644
--- a/lib/timeval.h
+++ b/lib/timeval.h
@@ -1,6 +1,6 @@
 /*
  * This file is part of DisOrder.
- * Copyright (C) 2007, 2008 Richard Kettlewell
+ * Copyright (C) 2007-2009 Richard Kettlewell
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -15,11 +15,14 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
-
+/** @file lib/timeval.h
+ * @brief Arithmetic on timeval structures
+ */
 #ifndef TIMEVAL_H
 #define TIMEVAL_H
 
 #include <time.h>
+#include <sys/time.h>
 
 static inline struct timeval tvsub(const struct timeval a,
                                    const struct timeval b) {