diff --git a/dlls/api-ms-win-crt-filesystem-l1-1-0/api-ms-win-crt-filesystem-l1-1-0.spec b/dlls/api-ms-win-crt-filesystem-l1-1-0/api-ms-win-crt-filesystem-l1-1-0.spec
index aff4bbad4ab..dd881aafd8c 100644
--- a/dlls/api-ms-win-crt-filesystem-l1-1-0/api-ms-win-crt-filesystem-l1-1-0.spec
+++ b/dlls/api-ms-win-crt-filesystem-l1-1-0/api-ms-win-crt-filesystem-l1-1-0.spec
@@ -13,7 +13,7 @@
 @ cdecl _findnext64(long ptr) ucrtbase._findnext64
 @ cdecl _findnext64i32(long ptr) ucrtbase._findnext64i32
 @ cdecl _fstat32(long ptr) ucrtbase._fstat32
-@ stub _fstat32i64
+@ cdecl _fstat32i64(long ptr) ucrtbase._fstat32i64
 @ cdecl _fstat64(long ptr) ucrtbase._fstat64
 @ cdecl _fstat64i32(long ptr) ucrtbase._fstat64i32
 @ cdecl _fullpath(ptr str long) ucrtbase._fullpath
diff --git a/dlls/msvcr100/msvcr100.spec b/dlls/msvcr100/msvcr100.spec
index 5fae918c2d9..fa09827877a 100644
--- a/dlls/msvcr100/msvcr100.spec
+++ b/dlls/msvcr100/msvcr100.spec
@@ -848,7 +848,7 @@
 @ cdecl _fseeki64_nolock(ptr int64 long) MSVCRT__fseeki64_nolock
 @ cdecl _fsopen(str str long) MSVCRT__fsopen
 @ cdecl _fstat32(long ptr) MSVCRT__fstat32
-@ stub _fstat32i64
+@ cdecl _fstat32i64(long ptr) MSVCRT__fstat32i64
 @ cdecl _fstat64(long ptr) MSVCRT__fstat64
 @ cdecl _fstat64i32(long ptr) MSVCRT__fstat64i32
 @ cdecl _ftell_nolock(ptr) MSVCRT__ftell_nolock
diff --git a/dlls/msvcr110/msvcr110.spec b/dlls/msvcr110/msvcr110.spec
index 38fdfe9faf2..e0ab69a28a8 100644
--- a/dlls/msvcr110/msvcr110.spec
+++ b/dlls/msvcr110/msvcr110.spec
@@ -1195,7 +1195,7 @@
 @ cdecl _fseeki64_nolock(ptr int64 long) MSVCRT__fseeki64_nolock
 @ cdecl _fsopen(str str long) MSVCRT__fsopen
 @ cdecl _fstat32(long ptr) MSVCRT__fstat32
-@ stub _fstat32i64
+@ cdecl _fstat32i64(long ptr) MSVCRT__fstat32i64
 @ cdecl _fstat64(long ptr) MSVCRT__fstat64
 @ cdecl _fstat64i32(long ptr) MSVCRT__fstat64i32
 @ cdecl _ftell_nolock(ptr) MSVCRT__ftell_nolock
diff --git a/dlls/msvcr120/msvcr120.spec b/dlls/msvcr120/msvcr120.spec
index 4ef7358bc71..86f466b8e97 100644
--- a/dlls/msvcr120/msvcr120.spec
+++ b/dlls/msvcr120/msvcr120.spec
@@ -1195,7 +1195,7 @@
 @ cdecl _fseeki64_nolock(ptr int64 long) MSVCRT__fseeki64_nolock
 @ cdecl _fsopen(str str long) MSVCRT__fsopen
 @ cdecl _fstat32(long ptr) MSVCRT__fstat32
-@ stub _fstat32i64
+@ cdecl _fstat32i64(long ptr) MSVCRT__fstat32i64
 @ cdecl _fstat64(long ptr) MSVCRT__fstat64
 @ cdecl _fstat64i32(long ptr) MSVCRT__fstat64i32
 @ cdecl _ftell_nolock(ptr) MSVCRT__ftell_nolock
diff --git a/dlls/msvcr120_app/msvcr120_app.spec b/dlls/msvcr120_app/msvcr120_app.spec
index 893c0997838..e498fc71000 100644
--- a/dlls/msvcr120_app/msvcr120_app.spec
+++ b/dlls/msvcr120_app/msvcr120_app.spec
@@ -1123,7 +1123,7 @@
 @ cdecl _fseeki64_nolock(ptr int64 long) msvcr120._fseeki64_nolock
 @ cdecl _fsopen(str str long) msvcr120._fsopen
 @ cdecl _fstat32(long ptr) msvcr120._fstat32
-@ stub _fstat32i64
+@ cdecl _fstat32i64(long ptr) msvcr120._fstat32i64
 @ cdecl _fstat64(long ptr) msvcr120._fstat64
 @ cdecl _fstat64i32(long ptr) msvcr120._fstat64i32
 @ cdecl _ftell_nolock(ptr) msvcr120._ftell_nolock
diff --git a/dlls/msvcr80/msvcr80.spec b/dlls/msvcr80/msvcr80.spec
index 1c1dc1a325c..c0edc8f7ad7 100644
--- a/dlls/msvcr80/msvcr80.spec
+++ b/dlls/msvcr80/msvcr80.spec
@@ -514,7 +514,7 @@
 @ cdecl _fseeki64_nolock(ptr int64 long) MSVCRT__fseeki64_nolock
 @ cdecl _fsopen(str str long) MSVCRT__fsopen
 @ cdecl _fstat32(long ptr) MSVCRT__fstat32
-@ stub _fstat32i64
+@ cdecl _fstat32i64(long ptr) MSVCRT__fstat32i64
 @ cdecl _fstat64(long ptr) MSVCRT__fstat64
 @ cdecl _fstat64i32(long ptr) MSVCRT__fstat64i32
 @ cdecl _ftell_nolock(ptr) MSVCRT__ftell_nolock
diff --git a/dlls/msvcr90/msvcr90.spec b/dlls/msvcr90/msvcr90.spec
index 13d1babd7d8..bf5ab57d04f 100644
--- a/dlls/msvcr90/msvcr90.spec
+++ b/dlls/msvcr90/msvcr90.spec
@@ -497,7 +497,7 @@
 @ cdecl _fseeki64_nolock(ptr int64 long) MSVCRT__fseeki64_nolock
 @ cdecl _fsopen(str str long) MSVCRT__fsopen
 @ cdecl _fstat32(long ptr) MSVCRT__fstat32
-@ stub _fstat32i64
+@ cdecl _fstat32i64(long ptr) MSVCRT__fstat32i64
 @ cdecl _fstat64(long ptr) MSVCRT__fstat64
 @ cdecl _fstat64i32(long ptr) MSVCRT__fstat64i32
 @ cdecl _ftell_nolock(ptr) MSVCRT__ftell_nolock
diff --git a/dlls/msvcrt/file.c b/dlls/msvcrt/file.c
index c4f89b156c5..5a2f1e65346 100644
--- a/dlls/msvcrt/file.c
+++ b/dlls/msvcrt/file.c
@@ -1788,6 +1788,20 @@ int CDECL MSVCRT__fstat32(int fd, struct MSVCRT__stat32* buf)
     return ret;
 }
 
+/*********************************************************************
+ *		_fstat32i64 (MSVCR80.@)
+ */
+int CDECL MSVCRT__fstat32i64(int fd, struct MSVCRT__stat32i64* buf)
+{
+    int ret;
+    struct MSVCRT__stat64 buf64;
+
+    ret = MSVCRT__fstat64(fd, &buf64);
+    if (!ret)
+        msvcrt_stat64_to_stat32i64(&buf64, buf);
+    return ret;
+}
+
 /*********************************************************************
  *		_fstat64i32 (MSVCR80.@)
  */
diff --git a/dlls/ucrtbase/ucrtbase.spec b/dlls/ucrtbase/ucrtbase.spec
index ecfb612c5c9..c03a434f7d3 100644
--- a/dlls/ucrtbase/ucrtbase.spec
+++ b/dlls/ucrtbase/ucrtbase.spec
@@ -340,7 +340,7 @@
 @ cdecl _fseeki64_nolock(ptr int64 long) MSVCRT__fseeki64_nolock
 @ cdecl _fsopen(str str long) MSVCRT__fsopen
 @ cdecl _fstat32(long ptr) MSVCRT__fstat32
-@ stub _fstat32i64
+@ cdecl _fstat32i64(long ptr) MSVCRT__fstat32i64
 @ cdecl _fstat64(long ptr) MSVCRT__fstat64
 @ cdecl _fstat64i32(long ptr) MSVCRT__fstat64i32
 @ cdecl _ftell_nolock(ptr) MSVCRT__ftell_nolock