1 files changed, 4 insertions, 0 deletions
diff --git a/kc/core/timer.h b/kc/core/timer.h
index b41aa35..5a30747 100644
--- a/kc/core/timer.h
+++ b/kc/core/timer.h
@@ -1,4 +1,5 @@
 #pragma once
+
 #include <stdint.h>
 
 #define TIMER_MILLISECOND 1000ULL
@@ -7,6 +8,9 @@
 
 typedef int (*timer_callback)(uint64_t nanoseconds);
 
+typedef uint64_t kc_time_stamp;
+typedef uint64_t kc_time_delta;
+
 struct timer_callback_list
 {
     timer_callback func;