1 files changed, 11 insertions, 0 deletions
diff --git a/include/ntapi/nt_string.h b/include/ntapi/nt_string.h
index 10a413b..1a6a451 100644
--- a/include/ntapi/nt_string.h
+++ b/include/ntapi/nt_string.h
@@ -21,6 +21,17 @@ typedef int __cdecl ntapi_snprintf(
 	const char * format,
 	...);
 
+typedef int __cdecl ntapi_vsprintf(
+	char * buffer,
+	const char * format,
+	va_list ap);
+
+typedef int __cdecl ntapi_vsnprintf(
+	char * buffer,
+	size_t size,
+	const char * format,
+	va_list ap);
+
 
 typedef size_t __cdecl ntapi_strlen(const char * str);