diff --git a/cfg/std.cfg b/cfg/std.cfg
index 841f7a1ab..f1635f5be 100644
--- a/cfg/std.cfg
+++ b/cfg/std.cfg
@@ -2324,10 +2324,11 @@
     <arg nr="3">
       <not-bool/>
       <valid>0:</valid>
+      <not-uninit/>
     </arg>
   </function>
   <!-- wchar_t * wmemcpy(wchar_t *ct, const wchar_t *cs, size_t n);-->
-  <function name="wmemcpy">
+  <function name="wmemcpy,std::wmemcpy">
     <noreturn>false</noreturn>
     <leak-ignore/>
     <arg nr="1">
@@ -2342,6 +2343,7 @@
     <arg nr="3">
       <not-bool/>
       <valid>0:</valid>
+      <not-uninit/>
     </arg>
   </function>
   <!-- void * memmove(void *ct, const void *cs, size_t n); -->
@@ -2360,10 +2362,11 @@
     <arg nr="3">
       <not-bool/>
       <valid>0:</valid>
+      <not-uninit/>
     </arg>
   </function>
   <!-- wchar_t * wmemmove(wchar_t *ct, const wchar_t *cs, size_t n); -->
-  <function name="wmemmove">
+  <function name="wmemmove,std::wmemmove">
     <noreturn>false</noreturn>
     <leak-ignore/>
     <arg nr="1">
@@ -2378,6 +2381,7 @@
     <arg nr="3">
       <not-bool/>
       <valid>0:</valid>
+      <not-uninit/>
     </arg>
   </function>
   <!-- void *memset(void *s, int c, size_t n); -->
@@ -2394,10 +2398,11 @@
     <arg nr="3">
       <not-bool/>
       <valid>0:</valid>
+      <not-uninit/>
     </arg>
   </function>
   <!-- wchar_t *wmemset(wchar_t *s, wchar_t c, size_t n); -->
-  <function name="wmemset">
+  <function name="wmemset,std::wmemset">
     <noreturn>false</noreturn>
     <leak-ignore/>
     <arg nr="1">
@@ -2410,11 +2415,12 @@
     <arg nr="3">
       <not-bool/>
       <valid>0:</valid>
+      <not-uninit/>
     </arg>
   </function>
   <!-- time_t mktime(struct tm *tp); -->
   <!-- time_t mkxtime(struct tmx *tp); -->
-  <function name="mktime,mkxtime">
+  <function name="mktime,std::mktime,mkxtime">
     <noreturn>false</noreturn>
     <leak-ignore/>
     <arg nr="1">
@@ -2425,7 +2431,7 @@
   <!-- double modf(double x, double *ip); -->
   <!-- float modff(float x, float *ip); -->
   <!-- long double modfl(long double x, long double *ip); -->
-  <function name="modf,modff,modfl">
+  <function name="modf,std::modf,modff,modfl">
     <noreturn>false</noreturn>
     <leak-ignore/>
     <arg nr="1">
@@ -2436,7 +2442,7 @@
     </arg>
   </function>
   <!-- void perror(const char *string); -->
-  <function name="perror">
+  <function name="perror,std::perror">
     <noreturn>false</noreturn>
     <leak-ignore/>
     <arg nr="1">
diff --git a/test/cfg/std.c b/test/cfg/std.c
index 78fd8a189..48d211859 100644
--- a/test/cfg/std.c
+++ b/test/cfg/std.c
@@ -2374,3 +2374,93 @@ void uninitvar_memcmp(void)
     // cppcheck-suppress uninitvar
     (void)memcmp(s1,s2,n);
 }
+
+void uninitvar_memcpy(void)
+{
+    void *ct;
+    void *cs;
+    size_t n;
+    // cppcheck-suppress uninitvar
+    (void)memcpy(ct,cs,n);
+}
+
+void uninitvar_wmemcpy(void)
+{
+    wchar_t *cs;
+    wchar_t *c;
+    size_t n;
+    // cppcheck-suppress uninitvar
+    (void)wmemcpy(cs,c,n);
+}
+
+void uninitvar_memmove(void)
+{
+    void *ct;
+    void *cs;
+    size_t n;
+    // cppcheck-suppress uninitvar
+    (void)memmove(ct,cs,n);
+}
+
+void uninitvar_wmemmove(void)
+{
+    wchar_t *cs;
+    wchar_t *c;
+    size_t n;
+    // cppcheck-suppress uninitvar
+    (void)wmemmove(cs,c,n);
+}
+
+void uninitvar_memset(void)
+{
+    void *s;
+    int c;
+    size_t n;
+    // cppcheck-suppress uninitvar
+    (void)memset(s,c,n);
+}
+
+void uninitvar_wmemset(void)
+{
+    wchar_t *cs;
+    wchar_t  c;
+    size_t n;
+    // cppcheck-suppress uninitvar
+    (void)wmemset(cs,c,n);
+}
+
+void uninitvar_mktime(void)
+{
+    struct tm *tp;
+    // cppcheck-suppress uninitvar
+    (void)mktime(tp);
+
+    struct tmx *tpx;
+    // cppcheck-suppress uninitvar
+    (void)mkxtime(tpx);
+}
+
+void uninivar_modf(void)
+{
+    float f1;
+    float *f2;
+    // cppcheck-suppress uninitvar
+    (void)modff(f1,f2);
+
+    double d1;
+    double *d2;
+    // cppcheck-suppress uninitvar
+    (void)modf(d1,d2);
+
+    long double ld1;
+    long double *ld2;
+    // cppcheck-suppress uninitvar
+    (void)modfl(ld1,ld2);
+}
+
+void uninivar_perror(void)
+{
+    char *string;
+    // cppcheck-suppress uninitvar
+    (void)perror(string);
+}
diff --git a/test/cfg/std.cpp b/test/cfg/std.cpp
index 5937249a0..0a3bace93 100644
--- a/test/cfg/std.cpp
+++ b/test/cfg/std.cpp
@@ -1715,3 +1715,89 @@ void uninitvar_memcmp(void)
     // cppcheck-suppress uninitvar
     (void)std::memcmp(s1,s2,n);
 }
+
+void uninitvar_memcpy(void)
+{
+    void *ct;
+    void *cs;
+    size_t n;
+    // cppcheck-suppress uninitvar
+    (void)std::memcpy(ct,cs,n);
+}
+
+void uninitvar_wmemcpy(void)
+{
+    wchar_t *cs;
+    wchar_t *c;
+    size_t n;
+    // cppcheck-suppress uninitvar
+    (void)std::wmemcpy(cs,c,n);
+}
+
+void uninitvar_memmove(void)
+{
+    void *ct;
+    void *cs;
+    size_t n;
+    // cppcheck-suppress uninitvar
+    (void)std::memmove(ct,cs,n);
+}
+
+void uninitvar_wmemmove(void)
+{
+    wchar_t *cs;
+    wchar_t *c;
+    size_t n;
+    // cppcheck-suppress uninitvar
+    (void)std::wmemmove(cs,c,n);
+}
+
+void uninitvar_memset(void)
+{
+    void *s;
+    int c;
+    size_t n;
+    // cppcheck-suppress uninitvar
+    (void)std::memset(s,c,n);
+}
+
+void uninitvar_wmemset(void)
+{
+    wchar_t *cs;
+    wchar_t  c;
+    size_t n;
+    // cppcheck-suppress uninitvar
+    (void)std::wmemset(cs,c,n);
+}
+
+void uninitvar_mktime(void)
+{
+    struct tm *tp;
+    // cppcheck-suppress uninitvar
+    (void)std::mktime(tp);
+}
+
+void uninivar_modf(void)
+{
+    float f1;
+    float *f2;
+    // cppcheck-suppress uninitvar
+    (void)std::modf(f1,f2);
+
+    double d1;
+    double *d2;
+    // cppcheck-suppress uninitvar
+    (void)std::modf(d1,d2);
+
+    long double ld1;
+    long double *ld2;
+    // cppcheck-suppress uninitvar
+    (void)std::modf(ld1,ld2);
+}
+
+void uninivar_perror(void)
+{
+    char *string;
+    // cppcheck-suppress uninitvar
+    (void)std::perror(string);
+}