diff --git a/cfg/std.cfg b/cfg/std.cfg
index f0185a1c2..f30dc50cb 100644
--- a/cfg/std.cfg
+++ b/cfg/std.cfg
@@ -11,6 +11,7 @@
   <function name="atoi"><noreturn>false</noreturn><leak-ignore/><arg nr="1"><not-uninit/></arg></function>
   <function name="atol"><noreturn>false</noreturn><leak-ignore/><arg nr="1"><not-uninit/></arg></function>
   <function name="atoll"><noreturn>false</noreturn><leak-ignore/><arg nr="1"><not-uninit/></arg></function>
+  <function name="calloc"><noreturn>false</noreturn><arg nr="1"><not-uninit/></arg><arg nr="2"><not-uninit/></arg></function>
   <function name="ceil"><noreturn>false</noreturn><leak-ignore/><arg nr="1"><not-uninit/></arg></function>
   <function name="clearerr"><noreturn>false</noreturn><leak-ignore/><arg nr="1"><not-null/><not-uninit/></arg></function>
   <function name="cos"><noreturn>false</noreturn><leak-ignore/><arg nr="1"><not-uninit/></arg></function>
@@ -181,7 +182,7 @@
 	  <noreturn>false</noreturn>
 	  <leak-ignore/>
 	  <arg nr="1"><not-null/></arg>
-	  <arg nr="2"><not-uninit/></arg>	 
+	  <arg nr="2"><not-uninit/></arg>	
 	  <arg nr="3"><not-bool/><valid>0-</valid></arg>
   </function>
   <function name="mktime"><noreturn>false</noreturn><leak-ignore/><arg nr="1"><not-null/><not-uninit/></arg></function>
@@ -218,6 +219,24 @@
        <leak-ignore/>
        <arg nr="1"><not-null/><not-uninit/><not-bool/><valid>0-</valid></arg>
   </function>
+  <function name="realloc"><noreturn>false</noreturn><arg nr="2"><not-uninit/></arg></function>
+  <function name="remove"><noreturn>false</noreturn><leak-ignore/><arg nr="1"><not-null/><not-uninit/></arg></function>
+  <function name="rename">
+       <noreturn>false</noreturn>
+       <leak-ignore/>
+       <arg nr="1"><not-null/><not-uninit/></arg>
+       <arg nr="2"><not-null/><not-uninit/></arg>
+  </function> 
+  <function name="rewind"><noreturn>false</noreturn><leak-ignore/><arg nr="1"><not-null/><not-uninit/></arg></function>
+  <function name="round"><noreturn>false</noreturn><leak-ignore/><arg nr="1"><not-null/><not-uninit/></arg></function>
+  <function name="scanf"><noreturn>false</noreturn> <formatstr scan="true"/>  <arg nr="1"><formatstr/></arg> </function> 
+  <function name="setbuf">
+        <noreturn>false</noreturn>
+        <leak-ignore/>
+        <arg nr="1"><not-null/><not-uninit/></arg>
+        <arg nr="2"><not-bool/></arg>
+  </function>
+  <function name="setjmp"><noreturn>false</noreturn><leak-ignore/><arg nr="1"><not-null/><not-uninit/></arg></function>
 
   <memory>
     <dealloc>free</dealloc>
@@ -268,7 +287,6 @@
   <function name="snprintf"> <noreturn>false</noreturn> <formatstr/>  <arg nr="3"><formatstr/></arg> </function>
   <function name="fnprintf"> <noreturn>false</noreturn> <formatstr/>  <arg nr="3"><formatstr/></arg> </function>
 
-  <function name="scanf">    <noreturn>false</noreturn> <formatstr scan="true"/>  <arg nr="1"><formatstr/></arg> </function>
   <function name="wscanf">   <noreturn>false</noreturn> <formatstr scan="true"/>  <arg nr="1"><formatstr/></arg> </function>
   <function name="sscanf">   <noreturn>false</noreturn> <formatstr scan="true"/>  <arg nr="2"><formatstr/></arg> </function>