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-rw-r--r--sysdep/unix/timer.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/sysdep/unix/timer.h b/sysdep/unix/timer.h
index ab04aa44..10351a61 100644
--- a/sysdep/unix/timer.h
+++ b/sysdep/unix/timer.h
@@ -30,6 +30,6 @@ void tm_start(timer *, unsigned after);
void tm_stop(timer *);
void tm_dump_all(void);
-extern bird_clock_t now;
+extern bird_clock_t now; /* Time in seconds since unknown epoch */
#endif