diff --git a/cfg/windows.cfg b/cfg/windows.cfg
index 30cf625a0..3bf8d70c7 100644
--- a/cfg/windows.cfg
+++ b/cfg/windows.cfg
@@ -3480,4 +3480,47 @@ HFONT CreateFont(
       <not-uninit/>
     </arg>
   </function>
+  <!-- char *_mbsncpy(unsigned char char *s, const unsigned char *ct, size_t n); -->
+  <function name="_mbsncpy,_mbsnbcpy,_tcsncpy">
+    <noreturn>false</noreturn>
+    <leak-ignore/>
+    <arg nr="1">
+      <not-null/>
+      <minsize type="sizeof" arg="2"/>
+      <minsize type="argvalue" arg="3"/>
+    </arg>
+    <arg nr="2">
+      <not-null/>
+      <not-uninit/>
+    </arg>
+    <arg nr="3">
+      <not-uninit/>
+      <not-bool/>
+      <valid>0:</valid>
+    </arg>
+  </function>
+  <!-- char *_strncpy_l(unsigned char char *s, const unsigned char *ct, size_t n, locale_t locale ); -->
+  <!-- wchar_t *_wcsncpy_l(wchar_t *strDest, const wchar_t *strSource, size_t count, locale_t locale);-->
+  <!-- unsigned char *_mbsncpy_l(unsigned char *strDest, const unsigned char *strSource, size_t count, _locale_t locale);-->
+  <function name="_strncpy_l,_wcsncpy_l,_mbsncpy_l,_tcsncpy_l">
+    <noreturn>false</noreturn>
+    <leak-ignore/>
+    <arg nr="1">
+      <not-null/>
+      <minsize type="sizeof" arg="2"/>
+      <minsize type="argvalue" arg="3"/>
+    </arg>
+    <arg nr="2">
+      <not-null/>
+      <not-uninit/>
+    </arg>
+    <arg nr="3">
+      <not-uninit/>
+      <not-bool/>
+      <valid>0:</valid>
+    </arg>
+    <arg nr="4">
+      <not-uninit/>
+    </arg>
+  </function>
 </def>