1 files changed, 3 insertions, 1 deletions
diff --git a/clog.h b/clog.h
index 50b8455..216eed8 100644
--- a/clog.h
+++ b/clog.h
@@ -1,6 +1,8 @@
 #ifndef _CLOG_H_
 #define _CLOG_H_
 
-int lprintf(const char *format, ...);
+#include <stdarg.h>
+
+int vlprintf(const char *format, va_list ap);
 
 #endif