diff --git a/cfg/std.cfg b/cfg/std.cfg
index 1b22af1d0..bb5d8a56a 100644
--- a/cfg/std.cfg
+++ b/cfg/std.cfg
@@ -1611,7 +1611,6 @@
     </arg>
     <arg nr="2">
       <not-null/>
-      <not-uninit/>
     </arg>
   </function>
   <!-- double floor(double x); -->
@@ -5471,16 +5470,43 @@
   <podtype name="int_fast16_t" sign="s"/>
   <podtype name="int_fast32_t" sign="s"/>
   <podtype name="int_fast64_t" sign="s"/>
+  <podtype name="int_least8_t" sign="s"/>
+  <podtype name="int_least16_t" sign="s"/>
+  <podtype name="int_least32_t" sign="s"/>
+  <podtype name="int_least64_t" sign="s"/>
   <podtype name="uint_fast8_t" sign="u"/>
   <podtype name="uint_fast16_t" sign="u"/>
   <podtype name="uint_fast32_t" sign="u"/>
   <podtype name="uint_fast64_t" sign="u"/>
+  <podtype name="uint_least8_t" sign="u"/>
+  <podtype name="uint_least16_t" sign="u"/>
+  <podtype name="uint_least32_t" sign="u"/>
+  <podtype name="uint_least64_t" sign="u"/>
   <podtype name="intptr_t" sign="s"/>
   <podtype name="uintptr_t" sign="u"/>
+  <podtype name="intmax_t" sign="s"/>
+  <podtype name="uintmax_t" sign="u"/>
   <podtype name="size_t" sign="u"/>
   <podtype name="double_t"/>
   <podtype name="float_t"/>
   <podtype name="time_t"/>
+  <podtype name="clock_t"/>
+  <podtype name="tm"/>
+  <podtype name="fenv_t"/>
+  <podtype name="fexcept_t"/>
+  <podtype name="lconv"/>
+  <podtype name="sig_atomic_t"/>
+  <podtype name="va_list"/>
+  <podtype name="ptrdiff_t"/>
+  <podtype name="max_align_t"/>
+  <podtype name="nullptr_t"/>
+  <podtype name="fpos_t"/>
+  <podtype name="FILE"/>
+  <podtype name="div_t"/>
+  <podtype name="ldiv_t"/>
+  <podtype name="lldiv_t"/>
+  <podtype name="mbstate_t"/>
+  <podtype name="win_t"/>
   <!--Not part of standard, but widely supported by runtime libraries-->
   <function name="itoa">
     <noreturn>false</noreturn>