diff --git a/cfg/posix.cfg b/cfg/posix.cfg
index e5f8514af..b3379db39 100644
--- a/cfg/posix.cfg
+++ b/cfg/posix.cfg
@@ -739,6 +739,7 @@
   <podtype name="sigset_t"/>
   <podtype name="termios"/>
   <podtype name="intptr_t"/>
+  <podtype name="timespec"/>
   <!-- http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/pwd.h.html -->
   <podtype name="passwd"/>
   <!--void           endpwent(void); -->
@@ -789,7 +790,6 @@
     <noreturn>false</noreturn>
     <arg nr="1">
       <not-null/>
-      <not-uninit/>
     </arg>
     <arg nr="2">
       <not-uninit/>
@@ -845,4 +845,74 @@
       <not-uninit/>
     </arg>
   </function>
+  <!-- http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/sched.h.html -->
+  <podtype name="sched_param"/>
+  <!-- int    sched_get_priority_max(int); -->
+  <function name="sched_get_priority_max">
+    <noreturn>false</noreturn>
+    <arg nr="1">
+      <not-uninit/>
+    </arg>
+  </function>
+  <!-- int    sched_get_priority_min(int); -->
+  <function name="sched_get_priority_min">
+    <noreturn>false</noreturn>
+    <arg nr="1">
+      <not-uninit/>
+    </arg>
+  </function>
+  <!-- int    sched_getparam(pid_t, struct sched_param *); -->
+  <function name="sched_getparam">
+    <noreturn>false</noreturn>
+    <arg nr="1">
+      <not-uninit/>
+    </arg>
+    <arg nr="2">
+      <not-null/>
+    </arg>
+  </function>
+  <!-- int    sched_getscheduler(pid_t); -->
+  <function name="sched_getscheduler">
+    <noreturn>false</noreturn>
+    <arg nr="1">
+      <not-uninit/>
+    </arg>
+  </function>
+  <!-- int    sched_rr_get_interval(pid_t, struct timespec *); -->
+  <function name="sched_rr_get_interval">
+    <noreturn>false</noreturn>
+    <arg nr="1">
+      <not-uninit/>
+    </arg>
+    <arg nr="2">
+      <not-null/>
+    </arg>
+  </function>
+  <!-- int    sched_setparam(pid_t, const struct sched_param *); -->
+  <function name="sched_setparam">
+    <noreturn>false</noreturn>
+    <arg nr="1">
+      <not-uninit/>
+    </arg>
+    <arg nr="2">
+      <not-uninit/>
+    </arg>
+  </function>
+  <!-- int    sched_setscheduler(pid_t, int, const struct sched_param *); -->
+  <function name="sched_setscheduler">
+    <noreturn>false</noreturn>
+    <arg nr="1">
+      <not-uninit/>
+    </arg>
+    <arg nr="2">
+      <not-uninit/>
+    </arg>
+    <arg nr="3">
+      <not-uninit/>
+    </arg>
+  </function>
+  <!-- int    sched_yield(void); -->
+  <function name="sched_yield">
+    <noreturn>false</noreturn>
+  </function>
 </def>
diff --git a/test/cfg/posix.c b/test/cfg/posix.c
index 950a5363f..0c901fe10 100644
--- a/test/cfg/posix.c
+++ b/test/cfg/posix.c
@@ -13,7 +13,7 @@
 #include <sys/socket.h>
 #include <fcntl.h>
 #include <unistd.h>
-
+#include <regex.h>
 
 void bufferAccessOutOfBounds(int fd) {
   char a[5];
@@ -124,6 +124,20 @@ void uninitvar(int fd) {
     write(fd,buf,2);
     // cppcheck-suppress uninitvar
     write(fd,"ab",x);
+    
+    
+    /* int regcomp(regex_t *restrict preg, const char *restrict pattern, int cflags); */
+    regex_t reg;
+    const char * pattern;
+    int cflags;
+    // cppcheck-suppress uninitvar
+    regcomp(&reg, pattern, cflags);
+    pattern="";
+    // cppcheck-suppress uninitvar
+    regcomp(&reg, pattern, cflags);
+    cflags=42;
+    // cppcheck-suppress uninitvar
+    regcomp(&reg, pattern, cflags);
 }
 
 void uninitvar_types(void) {