1 files changed, 2 insertions, 0 deletions

diff --git a/src/date.h b/src/date.h
index 4ff3d32..becc5a2 100644
--- a/src/date.h
+++ b/src/date.h
@@ -1 +1,3 @@
 /* date.h: Includes all the functions relating to calculating months, days, etc. */
+
+int isleap(int year);