1 files changed, 10 insertions, 0 deletions
diff --git a/libc/stdio/stdio.cpp b/libc/stdio/stdio.cpp
index b4b2a3685..d6275569c 100644
--- a/libc/stdio/stdio.cpp
+++ b/libc/stdio/stdio.cpp
@@ -940,11 +940,21 @@ int vfprintf(FILE* fp, const char* fmt, va_list ap) {
   return __vfprintf(fp, fmt, ap);
 }
 
+int vfscanf(FILE* fp, const char* fmt, va_list ap) {
+  ScopedFileLock sfl(fp);
+  return __svfscanf(fp, fmt, ap);
+}
+
 int vfwprintf(FILE* fp, const wchar_t* fmt, va_list ap) {
   ScopedFileLock sfl(fp);
   return __vfwprintf(fp, fmt, ap);
 }
 
+int vfwscanf(FILE* fp, const wchar_t* fmt, va_list ap) {
+  ScopedFileLock sfl(fp);
+  return __vfwscanf(fp, fmt, ap);
+}
+
 int vprintf(const char* fmt, va_list ap) {
   return vfprintf(stdout, fmt, ap);
 }