diff --git a/cfg/std.cfg b/cfg/std.cfg
index 45b630526..b07340c60 100644
--- a/cfg/std.cfg
+++ b/cfg/std.cfg
@@ -237,6 +237,7 @@
     <arg nr="3">
       <not-null/>
       <not-uninit/>
+      <valid>0:</valid>
     </arg>
     <arg nr="4">
       <not-null/>
@@ -1360,6 +1361,7 @@
     </arg>
     <arg nr="3">
       <not-uninit/>
+      <valid>0:</valid>
     </arg>
     <arg nr="4">
       <not-null/>
@@ -1396,6 +1398,7 @@
     </arg>
     <arg nr="3">
       <not-uninit/>
+      <valid>0:</valid>
     </arg>
   </function>
   <!-- int getchar(void); -->
@@ -1966,6 +1969,7 @@ The obsolete function 'gets' is called. With 'gets' you'll get a buffer overrun
     <leak-ignore/>
     <arg nr="1">
       <not-uninit/>
+      <valid>0:</valid>
     </arg>
   </function>
   <!-- ldiv_t ldiv(long int num, long int denom); -->
@@ -2284,6 +2288,7 @@ The obsolete function 'gets' is called. With 'gets' you'll get a buffer overrun
     <noreturn>false</noreturn>
     <arg nr="1">
       <not-uninit/>
+      <valid>0:</valid>
     </arg>
   </function>
   <!-- void *alloca(size_t size); -->
@@ -2631,9 +2636,11 @@ The obsolete function 'gets' is called. With 'gets' you'll get a buffer overrun
     </arg>
     <arg nr="3">
       <not-uninit/>
+      <valid>0:</valid>
     </arg>
     <arg nr="4">
       <not-uninit/>
+      <valid>0:</valid>
     </arg>
     <arg nr="5">
       <not-null/>
@@ -2650,9 +2657,11 @@ The obsolete function 'gets' is called. With 'gets' you'll get a buffer overrun
     </arg>
     <arg nr="2">
       <not-uninit/>
+      <valid>0:</valid>
     </arg>
     <arg nr="3">
       <not-uninit/>
+      <valid>0:</valid>
     </arg>
     <arg nr="4">
       <not-null/>
@@ -2722,6 +2731,7 @@ The obsolete function 'gets' is called. With 'gets' you'll get a buffer overrun
     </arg>
     <arg nr="2">
       <not-uninit/>
+      <valid>0:</valid>
     </arg>
   </function>
   <!-- int remove(const char *filename); -->
@@ -2899,6 +2909,7 @@ The obsolete function 'gets' is called. With 'gets' you'll get a buffer overrun
     </arg>
     <arg nr="4">
       <not-uninit/>
+      <valid>0:</valid>
     </arg>
   </function>
   <!-- int setjmp(jmp_buf env); -->
@@ -3038,6 +3049,7 @@ The obsolete function 'gets' is called. With 'gets' you'll get a buffer overrun
     </arg>
     <arg nr="2">
       <not-uninit/>
+      <valid>0:</valid>
     </arg>
     <arg nr="3">
       <not-null/>
@@ -3231,6 +3243,7 @@ The obsolete function 'gets' is called. With 'gets' you'll get a buffer overrun
     </arg>
     <arg nr="3">
       <not-uninit/>
+      <valid>0:</valid>
     </arg>
   </function>
   <!-- size_t wcsxfrm(wchar_t *s1, const wchar_t *s2, size_t n); -->
@@ -3246,6 +3259,7 @@ The obsolete function 'gets' is called. With 'gets' you'll get a buffer overrun
     </arg>
     <arg nr="3">
       <not-uninit/>
+      <valid>0:</valid>
     </arg>
   </function>
   <!-- size_t wcsspn(const wchar_t *s1, const wchar_t *s2); -->
@@ -3345,6 +3359,7 @@ The obsolete function 'gets' is called. With 'gets' you'll get a buffer overrun
     </arg>
     <arg nr="3">
       <not-uninit/>
+      <valid>0:</valid>
     </arg>
   </function>
   <!-- int strcoll(const char *cs, const char *c); -->
@@ -3430,6 +3445,7 @@ The obsolete function 'gets' is called. With 'gets' you'll get a buffer overrun
     </arg>
     <arg nr="3">
       <not-uninit/>
+      <valid>0:</valid>
     </arg>
     <arg nr="4">
       <not-null/>
@@ -3519,6 +3535,7 @@ The obsolete function 'gets' is called. With 'gets' you'll get a buffer overrun
     </arg>
     <arg nr="2">
       <not-uninit/>
+      <valid>0:</valid>
     </arg>
   </function>
   <!-- FILE *tmpfile(void); -->
@@ -3632,6 +3649,7 @@ The obsolete function 'gets' is called. With 'gets' you'll get a buffer overrun
     </arg>
     <arg nr="3">
       <not-uninit/>
+      <valid>0:</valid>
     </arg>
     <arg nr="4">
       <not-uninit/>
@@ -3721,6 +3739,7 @@ The obsolete function 'gets' is called. With 'gets' you'll get a buffer overrun
     </arg>
     <arg nr="2">
       <not-uninit/>
+      <valid>0:</valid>
     </arg>
     <arg nr="3">
       <not-null/>
@@ -3751,6 +3770,7 @@ The obsolete function 'gets' is called. With 'gets' you'll get a buffer overrun
     </arg>
     <arg nr="2">
       <not-uninit/>
+      <valid>0:</valid>
     </arg>
     <arg nr="3">
       <not-null/>
@@ -3800,6 +3820,7 @@ The obsolete function 'gets' is called. With 'gets' you'll get a buffer overrun
     </arg>
     <arg nr="2">
       <not-uninit/>
+      <valid>0:</valid>
     </arg>
     <arg nr="3">
       <not-null/>
@@ -3976,6 +3997,7 @@ The obsolete function 'gets' is called. With 'gets' you'll get a buffer overrun
     </arg>
     <arg nr="3">
       <not-uninit/>
+      <valid>0:</valid>
     </arg>
     <arg nr="4">
       <not-null/>