diff --git a/src/vim.h b/src/vim.h
index 95260a2..229e6dc 100644
--- a/src/vim.h
+++ b/src/vim.h
@@ -2217,4 +2217,10 @@
 #define KEYLEN_PART_MAP -2	/* keylen value for incomplete mapping */
 #define KEYLEN_REMOVED  9999	/* keylen value for removed sequence */
 
+/* Return values from win32_fileinfo(). */
+#define FILEINFO_OK	     0
+#define FILEINFO_ENC_FAIL    1	/* enc_to_utf16() failed */
+#define FILEINFO_READ_FAIL   2	/* CreateFile() failed */
+#define FILEINFO_INFO_FAIL   3	/* GetFileInformationByHandle() failed */
+
 #endif /* VIM__H */