diff --git a/stdlib/3/msvcrt.pyi b/stdlib/2and3/msvcrt.pyi
similarity index 53%
rename from stdlib/3/msvcrt.pyi
rename to stdlib/2and3/msvcrt.pyi
index 6688c37cd..7b4093081 100644
--- a/stdlib/3/msvcrt.pyi
+++ b/stdlib/2and3/msvcrt.pyi
@@ -2,5 +2,13 @@
 
 # NOTE: These are incomplete!
 
+LK_LOCK: int
+LK_NBLCK: int
+LK_NBRLCK: int
+LK_RLCK: int
+LK_UNLCK: int
+
+def locking(fd: int, mode: int, nbytes: int) -> None: ...
+
 def get_osfhandle(file: int) -> int: ...
 def open_osfhandle(handle: int, flags: int) -> int: ...