diff --git a/cfg/std.cfg b/cfg/std.cfg
index e7cd298d3..d47eb8aec 100644
--- a/cfg/std.cfg
+++ b/cfg/std.cfg
@@ -250,6 +250,24 @@
       <not-uninit/>
     </arg>
   </function>
+  <!-- int feclearexcept (int excepts); -->
+  <function name="feclearexcept">
+    <use-retval/>
+    <pure/>
+    <noreturn>false</noreturn>
+    <leak-ignore/>
+    <arg nr="1">
+      <not-uninit/>
+    </arg>
+  </function>
+  <!-- int fegetenv (fenv_t* envp); -->
+  <function name="fegetenv">
+    <noreturn>false</noreturn>
+    <leak-ignore/>
+    <arg nr="1">
+      <not-null/>
+    </arg>
+  </function>
   <function name="tanhf">
     <use-retval/>
     <pure/>