diff --git a/cfg/windows.cfg b/cfg/windows.cfg
index f4bb67aaf..c9cac27ae 100644
--- a/cfg/windows.cfg
+++ b/cfg/windows.cfg
@@ -3580,6 +3580,30 @@ HFONT CreateFont(
       <not-uninit/>
     </arg>
   </function>
+  <!-- int iswascii( wint_t c );-->
+  <!-- int __isascii(int c); -->
+  <function name="__isascii,iswascii">
+    <returnValue type="int"/>
+    <noreturn>false</noreturn>
+    <leak-ignore/>
+    <arg nr="1">
+      <not-uninit/>
+    </arg>
+  </function>
+  <!-- int _getch_nolock( void ); -->
+  <!-- int _getchar(void); -->
+  <function name="_getchar,_getch_nolock">
+    <returnValue type="int"/>
+    <noreturn>false</noreturn>
+    <leak-ignore/>
+  </function>
+  <!-- wint_t _getwch_nolock( void ); -->
+  <!-- wint_t _getwch(void);-->
+  <function name="_getwch,_getwch_nolock">
+    <returnValue type="wint_t"/>
+    <noreturn>false</noreturn>
+    <leak-ignore/>
+  </function>
   <podtype name="LARGE_INTEGER" sign="s" size="8"/>
   <podtype name="POINTER_SIGNED" sign="s"/>
   <podtype name="POINTER_UNSIGNED" sign="u"/>