1 files changed, 7 insertions, 0 deletions
diff --git a/include/time.h b/include/time.h
index a10a59a628..f935e9dd3e 100644
--- a/include/time.h
+++ b/include/time.h
@@ -141,6 +141,13 @@ extern char * __strptime_internal (const char *rp, const char *fmt,
 				   struct tm *tm, void *statep,
 				   locale_t locparam) attribute_hidden;
 
+#if __TIMESIZE == 64
+# define __difftime64 __difftime
+#else
+extern double __difftime64 (__time64_t time1, __time64_t time0);
+libc_hidden_proto (__difftime64)
+#endif
+
 extern double __difftime (time_t time1, time_t time0);