1 files changed, 24 insertions, 0 deletions
diff --git a/src/lib/string/scanf.h b/src/lib/string/scanf.h
new file mode 100644
index 0000000000..6673173de5
--- /dev/null
+++ b/src/lib/string/scanf.h
@@ -0,0 +1,24 @@
+/* Copyright (c) 2003-2004, Roger Dingledine
+ * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
+ * Copyright (c) 2007-2019, The Tor Project, Inc. */
+/* See LICENSE for licensing information */
+
+/**
+ * \file scanf.h
+ * \brief Header for scanf.c
+ **/
+
+#ifndef TOR_UTIL_SCANF_H
+#define TOR_UTIL_SCANF_H
+
+#include "orconfig.h"
+#include "lib/cc/compat_compiler.h"
+
+#include <stdarg.h>
+
+int tor_vsscanf(const char *buf, const char *pattern, va_list ap) \
+  CHECK_SCANF(2, 0);
+int tor_sscanf(const char *buf, const char *pattern, ...)
+  CHECK_SCANF(2, 3);
+
+#endif /* !defined(TOR_UTIL_STRING_H) */