diff --git a/libs/libc/include/time.h b/libs/libc/include/time.h
index 550298cf..4771862e 100644
--- a/libs/libc/include/time.h
+++ b/libs/libc/include/time.h
@@ -21,6 +21,13 @@ struct tm
     const char* tm_zone;
 };
 
+// Captures elapsed time.
+struct timeval
+{
+    time_t tv_sec;
+    unsigned long tv_usec;
+};
+
 #define CLOCKS_PER_SEC 1000 // Number of clock_t per second.
 
 #ifdef __cplusplus