diff --git a/cfg/std.cfg b/cfg/std.cfg
index fad093880..b67cb2061 100644
--- a/cfg/std.cfg
+++ b/cfg/std.cfg
@@ -3411,6 +3411,7 @@ The obsolete function 'gets' is called. With 'gets' you'll get a buffer overrun
       <strz/>
     </arg>
     <arg nr="2">
+      <not-uninit/>
       <valid>0:255</valid>
     </arg>
   </function>
diff --git a/cfg/windows.cfg b/cfg/windows.cfg
index 1cc5937f6..2aab8227b 100644
--- a/cfg/windows.cfg
+++ b/cfg/windows.cfg
@@ -3351,4 +3351,37 @@ HFONT CreateFont(
       <strz/>
     </arg>
   </function>
+  <!-- unsigned char *_mbsrchr_l(const unsigned char *str, unsigned int c, _locale_t locale ); // C only  
+       unsigned char *_mbsrchr_(unsigned char *str, unsigned int c, _locale_t locale ); // C++ only  
+       const unsigned char *_mbsrchr_(const unsigned char *str, unsigned int c, _locale_t locale ); // C++ only-->
+  <function name="_mbsrchr_l">
+    <use-retval/>
+    <noreturn>false</noreturn>
+    <leak-ignore/>
+    <arg nr="1">
+      <not-null/>
+      <not-uninit/>
+    </arg>
+    <arg nr="2">
+      <not-uninit/>
+    </arg>
+    <arg nr="3">
+      <not-uninit/>
+    </arg>
+  </function>
+  <!-- unsigned char *_mbsrchr(const unsigned char *str, unsigned int c); // C only  
+       unsigned char *_mbsrchr(unsigned char *str, unsigned int c); // C++ only  
+       const unsigned char *_mbsrchr(const unsigned char *str, unsigned int c); // C++ only-->
+  <function name="_mbsrchr,_tcsrchr">
+    <use-retval/>
+    <noreturn>false</noreturn>
+    <leak-ignore/>
+    <arg nr="1">
+      <not-null/>
+      <not-uninit/>
+    </arg>
+    <arg nr="2">
+      <not-uninit/>
+    </arg>
+  </function>
 </def>