1 files changed, 2 insertions, 0 deletions
diff --git a/utils/utils.h b/utils/utils.h
index b33fde8c4..f1c193bac 100644
--- a/utils/utils.h
+++ b/utils/utils.h
@@ -25,6 +25,7 @@
 #include <stddef.h>
 #include <stdlib.h>
 #include <sys/types.h>
+#include <sys/time.h>
 #include <regex.h>
 #include <assert.h>
 
@@ -105,6 +106,7 @@ void unicode_transliterate(unsigned int c, char **r);
 char *human_friendly_bytesize(unsigned long bytesize);
 const char *rfc1123_date(time_t t);
 unsigned int wallclock(void);
+int timeval_subtract(struct timeval *result, struct timeval *x, struct timeval *y);
 
 /**
  * Return a hex digit for the given numerical value.