diff --git a/src/win/winapi.h b/src/win/winapi.h
index 96aa3a4d..0c125beb 100644
--- a/src/win/winapi.h
+++ b/src/win/winapi.h
@@ -4216,6 +4216,37 @@ typedef enum _FILE_INFORMATION_CLASS {
   FileMaximumInformation
 } FILE_INFORMATION_CLASS, *PFILE_INFORMATION_CLASS;
 
+typedef struct _FILE_DIRECTORY_INFORMATION {
+  ULONG NextEntryOffset;
+  ULONG FileIndex;
+  LARGE_INTEGER CreationTime;
+  LARGE_INTEGER LastAccessTime;
+  LARGE_INTEGER LastWriteTime;
+  LARGE_INTEGER ChangeTime;
+  LARGE_INTEGER EndOfFile;
+  LARGE_INTEGER AllocationSize;
+  ULONG FileAttributes;
+  ULONG FileNameLength;
+  WCHAR FileName[1];
+} FILE_DIRECTORY_INFORMATION, *PFILE_DIRECTORY_INFORMATION;
+
+typedef struct _FILE_BOTH_DIR_INFORMATION {
+  ULONG NextEntryOffset;
+  ULONG FileIndex;
+  LARGE_INTEGER CreationTime;
+  LARGE_INTEGER LastAccessTime;
+  LARGE_INTEGER LastWriteTime;
+  LARGE_INTEGER ChangeTime;
+  LARGE_INTEGER EndOfFile;
+  LARGE_INTEGER AllocationSize;
+  ULONG FileAttributes;
+  ULONG FileNameLength;
+  ULONG EaSize;
+  CCHAR ShortNameLength;
+  WCHAR ShortName[12];
+  WCHAR FileName[1];
+} FILE_BOTH_DIR_INFORMATION, *PFILE_BOTH_DIR_INFORMATION;
+
 typedef struct _FILE_BASIC_INFORMATION {
   LARGE_INTEGER CreationTime;
   LARGE_INTEGER LastAccessTime;