diff --git a/cfg/std.cfg b/cfg/std.cfg
index 8a82b2895..dffe9efa3 100644
--- a/cfg/std.cfg
+++ b/cfg/std.cfg
@@ -923,6 +923,7 @@
     <arg nr="1">
       <not-null/>
       <not-uninit/>
+      <strz/>
     </arg>
   </function>
   <!-- int atoi(const char *s); -->
@@ -934,6 +935,7 @@
     <arg nr="1">
       <not-null/>
       <not-uninit/>
+      <strz/>
     </arg>
   </function>
   <!-- long int atol(const char *s); -->
@@ -945,6 +947,7 @@
     <arg nr="1">
       <not-null/>
       <not-uninit/>
+      <strz/>
     </arg>
   </function>
   <!-- long long int atoll(const char *s); -->
@@ -956,6 +959,7 @@
     <arg nr="1">
       <not-null/>
       <not-uninit/>
+      <strz/>
     </arg>
   </function>
   <!-- void * calloc (size_t nitems, size_t size); -->
@@ -1815,6 +1819,7 @@
     <arg nr="1">
       <not-null/>
       <not-uninit/>
+      <strz/>
     </arg>
     <arg nr="2">
       <not-null/>
@@ -1903,6 +1908,7 @@
     <arg nr="1">
       <not-null/>
       <not-uninit/>
+      <strz/>
     </arg>
     <arg nr="2">
       <not-null/>
@@ -1953,6 +1959,7 @@
     <noreturn>false</noreturn>
     <arg nr="1">
       <not-uninit/>
+      <strz/>
     </arg>
     <arg nr="2">
       <not-null/>
@@ -2353,6 +2360,7 @@
     <arg nr="1">
       <not-null/>
       <not-uninit/>
+      <strz/>
     </arg>
   </function>
   <!-- char *gets(char *buffer); -->
@@ -4118,7 +4126,7 @@
       <not-null/>
       <not-uninit/>
       <not-bool/>
-      <valid>0:</valid>
+      <strz/>
     </arg>
   </function>
   <!-- void *realloc(void *block, size_t newsize); -->
@@ -4405,10 +4413,12 @@
     <arg nr="1">
       <not-null/>
       <not-uninit/>
+      <strz/>
     </arg>
     <arg nr="2">
       <not-null/>
       <not-uninit/>
+      <strz/>
     </arg>
   </function>
   <!-- wchar_t wcscat(wchar_t *deststr, const char *srcstr); -->
@@ -4442,6 +4452,7 @@
     <arg nr="1">
       <not-null/>
       <not-uninit/>
+      <strz/>
     </arg>
     <arg nr="2">
       <not-uninit/>
@@ -4469,10 +4480,12 @@
     <arg nr="1">
       <not-null/>
       <not-uninit/>
+      <strz/>
     </arg>
     <arg nr="2">
       <not-null/>
       <not-uninit/>
+      <strz/>
     </arg>
   </function>
   <!-- int wcscmp(const wchar_t *str1, const wchar_t c); -->
@@ -4501,6 +4514,7 @@
     <arg nr="2">
       <not-null/>
       <not-uninit/>
+      <strz/>
     </arg>
   </function>
   <!-- wchar_t *wcscpy(wchar_t *deststr, const wchar_t *srcstr); -->
@@ -4562,6 +4576,7 @@
     <arg nr="1">
       <not-null/>
       <not-uninit/>
+      <strz/>
     </arg>
   </function>
   <!-- size_t wcslen(const wchar_t *string); -->
@@ -4614,6 +4629,7 @@
     <arg nr="1">
       <not-null/>
       <not-uninit/>
+      <strz/>
       <minsize type="argvalue" arg="3"/>
     </arg>
     <arg nr="2">
@@ -4688,10 +4704,12 @@
     <arg nr="1">
       <not-null/>
       <not-uninit/>
+      <strz/>
     </arg>
     <arg nr="2">
       <not-null/>
       <not-uninit/>
+      <strz/>
     </arg>
   </function>
   <!-- wchar_t *wcsstr(const wchar_t *s1, const wchar_t *s2); -->
@@ -4717,10 +4735,12 @@
     <arg nr="1">
       <not-null/>
       <not-uninit/>
+      <strz/>
     </arg>
     <arg nr="2">
       <not-null/>
       <not-uninit/>
+      <strz/>
     </arg>
   </function>
   <!-- size_t strxfrm(char *ds, const char *ss, size_t n); -->
@@ -4886,6 +4906,7 @@
     <arg nr="1">
       <not-null/>
       <not-uninit/>
+      <strz/>
     </arg>
     <arg nr="2">
       <valid>0:255</valid>
@@ -4954,6 +4975,7 @@
     <arg nr="1">
       <not-null/>
       <not-uninit/>
+      <strz/>
     </arg>
     <arg nr="3">
       <valid>0,2:36</valid>
@@ -4995,6 +5017,7 @@
     <arg nr="1">
       <not-null/>
       <not-uninit/>
+      <strz/>
     </arg>
     <arg nr="2"/>
   </function>
@@ -5006,6 +5029,7 @@
     <arg nr="1">
       <not-null/>
       <not-uninit/>
+      <strz/>
     </arg>
     <arg nr="2"/>
   </function>
@@ -5017,6 +5041,7 @@
     <arg nr="1">
       <not-null/>
       <not-uninit/>
+      <strz/>
     </arg>
     <arg nr="2"/>
   </function>
@@ -5028,6 +5053,7 @@
     <arg nr="1">
       <not-null/>
       <not-uninit/>
+      <strz/>
     </arg>
     <arg nr="3">
       <valid>0,2:36</valid>
@@ -5041,6 +5067,7 @@
     <arg nr="1">
       <not-null/>
       <not-uninit/>
+      <strz/>
     </arg>
     <arg nr="3">
       <valid>0,2:36</valid>
@@ -5054,6 +5081,7 @@
     <arg nr="1">
       <not-null/>
       <not-uninit/>
+      <strz/>
     </arg>
     <arg nr="3">
       <valid>0,2:36</valid>