diff --git a/cfg/posix.cfg b/cfg/posix.cfg
index 39bfad693..2ab8b32dc 100644
--- a/cfg/posix.cfg
+++ b/cfg/posix.cfg
@@ -416,6 +416,7 @@
     <arg nr="1" direction="in">
       <not-uninit/>
       <not-null/>
+      <strz/>
     </arg>
     <arg nr="2" direction="in">
       <not-uninit/>
@@ -518,6 +519,7 @@
     <returnValue type="void*"/>
     <arg nr="1" direction="in">
       <not-uninit/>
+      <strz/>
     </arg>
     <arg nr="2" direction="in">
       <not-uninit/>
@@ -536,6 +538,7 @@
     </arg>
     <arg nr="2" direction="in">
       <not-uninit/>
+      <strz/>
     </arg>
   </function>
   <!-- see http://pubs.opengroup.org/onlinepubs/9699919799/functions/dlclose.html -->
@@ -673,6 +676,7 @@
     <arg nr="1" direction="in">
       <not-uninit/>
       <not-null/>
+      <strz/>
     </arg>
     <arg nr="2" direction="in">
       <not-uninit/>
@@ -704,6 +708,7 @@
     <arg nr="1" direction="in">
       <not-null/>
       <not-uninit/>
+      <strz/>
     </arg>
     <arg nr="2" direction="in">
       <not-uninit/>
@@ -784,6 +789,7 @@
     <arg nr="1" direction="in">
       <not-null/>
       <not-uninit/>
+      <strz/>
     </arg>
     <arg nr="2" direction="in">
       <valid>0:</valid>
@@ -793,6 +799,7 @@
     <arg nr="3" direction="in">
       <not-null/>
       <not-uninit/>
+      <strz/>
     </arg>
   </function>
   <!-- int symlink(const char *oldpath, const char *newpath); -->
@@ -803,11 +810,13 @@
     <arg nr="1" direction="in">
       <not-null/>
       <not-uninit/>
+      <strz/>
     </arg>
     <arg nr="2" direction="in">
       <not-null/>
       <not-uninit/>
       <not-bool/>
+      <strz/>
     </arg>
   </function>
   <!-- int open(const char *pathname, int flags) -->
@@ -820,6 +829,7 @@
     <arg nr="1" direction="in">
       <not-null/>
       <not-uninit/>
+      <strz/>
     </arg>
     <arg nr="2" direction="in">
       <not-uninit/>
@@ -844,6 +854,7 @@
     <arg nr="2" direction="in">
       <not-null/>
       <not-uninit/>
+      <strz/>
     </arg>
     <arg nr="3" direction="in">
       <not-uninit/>
@@ -862,6 +873,7 @@
     <arg nr="1" direction="in">
       <not-null/>
       <not-uninit/>
+      <strz/>
     </arg>
     <arg nr="2" direction="in">
       <not-uninit/>
@@ -924,6 +936,7 @@ The obsolescent function 'usleep' is called. POSIX.1-2001 declares usleep() func
     <arg nr="2" direction="in">
       <not-null/>
       <not-uninit/>
+      <strz/>
     </arg>
     <arg nr="3" direction="in">
       <not-uninit/>
@@ -942,6 +955,7 @@ The obsolescent function 'usleep' is called. POSIX.1-2001 declares usleep() func
     <arg nr="1" direction="in">
       <not-uninit/>
       <not-bool/>
+      <strz/>
     </arg>
   </function>
   <!-- http://man7.org/linux/man-pages/man2/alarm.2.html -->
@@ -1007,6 +1021,7 @@ The obsolescent function 'usleep' is called. POSIX.1-2001 declares usleep() func
       <not-null/>
       <not-uninit/>
       <not-bool/>
+      <strz/>
     </arg>
     <warn severity="portability">Non reentrant function 'getprotobyname' called. For threadsafe applications it is recommended to use the reentrant replacement function 'getprotobyname_r'.</warn>
   </function>
@@ -1039,10 +1054,12 @@ The obsolescent function 'usleep' is called. POSIX.1-2001 declares usleep() func
     <arg nr="1" direction="in">
       <not-null/>
       <not-uninit/>
+      <strz/>
     </arg>
     <arg nr="2" direction="in">
       <not-uninit/>
       <not-bool/>
+      <strz/>
     </arg>
     <warn severity="portability">Non reentrant function 'getservbyname' called. For threadsafe applications it is recommended to use the reentrant replacement function 'getservbyname_r'.</warn>
   </function>
@@ -1059,6 +1076,7 @@ The obsolescent function 'usleep' is called. POSIX.1-2001 declares usleep() func
     <arg nr="2" direction="in">
       <not-uninit/>
       <not-bool/>
+      <strz/>
     </arg>
     <warn severity="portability">Non reentrant function 'getservbyport' called. For threadsafe applications it is recommended to use the reentrant replacement function 'getservbyport_r'.</warn>
   </function>
@@ -1080,6 +1098,7 @@ The obsolescent function 'usleep' is called. POSIX.1-2001 declares usleep() func
       <not-null/>
       <not-uninit/>
       <not-bool/>
+      <strz/>
     </arg>
     <warn severity="portability">Non reentrant function 'getnetbyname' called. For threadsafe applications it is recommended to use the reentrant replacement function 'getnetbyname_r'.</warn>
   </function>
@@ -1117,6 +1136,7 @@ The obsolescent function 'usleep' is called. POSIX.1-2001 declares usleep() func
       <not-null/>
       <not-uninit/>
       <not-bool/>
+      <strz/>
     </arg>
     <warn severity="style" reason="Obsolescent" alternatives="getaddrinfo"/>
   </function>
@@ -1129,6 +1149,7 @@ The obsolescent function 'usleep' is called. POSIX.1-2001 declares usleep() func
     <arg nr="1" direction="in">
       <not-null/>
       <not-uninit/>
+      <strz/>
     </arg>
     <arg nr="2" direction="in">
       <not-uninit/>
@@ -1207,6 +1228,7 @@ The obsolescent function 'usleep' is called. POSIX.1-2001 declares usleep() func
       <not-null/>
       <not-uninit/>
       <not-bool/>
+      <strz/>
     </arg>
   </function>
   <!-- char *strndup(const char *s, size_t n); -->
@@ -1217,6 +1239,7 @@ The obsolescent function 'usleep' is called. POSIX.1-2001 declares usleep() func
     <arg nr="1">
       <not-null/>
       <not-uninit/>
+      <strz/>
     </arg>
     <arg nr="2">
       <not-uninit/>
@@ -1292,6 +1315,7 @@ The function 'mktemp' is considered to be dangerous due to race conditions and s
     <arg nr="1" direction="in">
       <not-null/>
       <not-uninit/>
+      <strz/>
     </arg>
     <arg nr="2" direction="in">
       <not-uninit/>
@@ -1306,6 +1330,7 @@ The function 'mktemp' is considered to be dangerous due to race conditions and s
     <arg nr="1" direction="in">
       <not-null/>
       <not-uninit/>
+      <strz/>
     </arg>
     <arg nr="2" direction="in">
       <not-uninit/>
@@ -1326,6 +1351,7 @@ The function 'mktemp' is considered to be dangerous due to race conditions and s
     <arg nr="2" direction="in">
       <not-null/>
       <not-uninit/>
+      <strz/>
     </arg>
     <arg nr="3" direction="in">
       <not-uninit/>
@@ -1346,6 +1372,7 @@ The function 'mktemp' is considered to be dangerous due to race conditions and s
     <arg nr="2" direction="in">
       <not-null/>
       <not-uninit/>
+      <strz/>
     </arg>
     <arg nr="3" direction="in">
       <not-uninit/>
@@ -1364,6 +1391,7 @@ The function 'mktemp' is considered to be dangerous due to race conditions and s
     <arg nr="2" direction="in">
       <not-null/>
       <not-uninit/>
+      <strz/>
     </arg>
     <arg nr="3" direction="in">
       <not-uninit/>
@@ -1386,6 +1414,7 @@ The function 'mktemp' is considered to be dangerous due to race conditions and s
     <arg nr="2" direction="in">
       <not-null/>
       <not-uninit/>
+      <strz/>
     </arg>
     <arg nr="3" direction="in">
       <not-uninit/>
@@ -1409,6 +1438,7 @@ The function 'mktemp' is considered to be dangerous due to race conditions and s
       <not-null/>
       <not-uninit/>
       <not-bool/>
+      <strz/>
     </arg>
   </function>
   <!-- int chdir(const char *path); -->
@@ -1420,6 +1450,7 @@ The function 'mktemp' is considered to be dangerous due to race conditions and s
       <not-null/>
       <not-uninit/>
       <not-bool/>
+      <strz/>
     </arg>
   </function>
   <!-- int chroot(const char *path); -->
@@ -1431,6 +1462,7 @@ The function 'mktemp' is considered to be dangerous due to race conditions and s
       <not-null/>
       <not-uninit/>
       <not-bool/>
+      <strz/>
     </arg>
   </function>
   <!-- int link(const char *oldpath, const char *newpath); -->
@@ -1441,11 +1473,13 @@ The function 'mktemp' is considered to be dangerous due to race conditions and s
     <arg nr="1" direction="in">
       <not-null/>
       <not-uninit/>
+      <strz/>
     </arg>
     <arg nr="2" direction="in">
       <not-null/>
       <not-uninit/>
       <not-bool/>
+      <strz/>
     </arg>
   </function>
   <!-- int linkat(int fd1, const char *path1, int fd2, const char *path2, int flag); -->
@@ -1462,6 +1496,7 @@ The function 'mktemp' is considered to be dangerous due to race conditions and s
       <not-null/>
       <not-uninit/>
       <not-bool/>
+      <strz/>
     </arg>
     <arg nr="3" direction="in">
       <not-uninit/>
@@ -1471,6 +1506,7 @@ The function 'mktemp' is considered to be dangerous due to race conditions and s
       <not-null/>
       <not-uninit/>
       <not-bool/>
+      <strz/>
     </arg>
   </function>
   <!-- int unlinkat(int fd, const char *path, int flag); -->
@@ -1487,6 +1523,7 @@ The function 'mktemp' is considered to be dangerous due to race conditions and s
       <not-null/>
       <not-uninit/>
       <not-bool/>
+      <strz/>
     </arg>
     <arg nr="3" direction="in">
       <not-uninit/>
@@ -1502,6 +1539,7 @@ The function 'mktemp' is considered to be dangerous due to race conditions and s
       <not-null/>
       <not-uninit/>
       <not-bool/>
+      <strz/>
     </arg>
   </function>
   <!-- int stat(const char *file_name, struct stat *buf); -->
@@ -1512,6 +1550,7 @@ The function 'mktemp' is considered to be dangerous due to race conditions and s
     <arg nr="1" direction="in">
       <not-null/>
       <not-uninit/>
+      <strz/>
     </arg>
     <arg nr="2" direction="out">
       <not-null/>
@@ -1526,6 +1565,7 @@ The function 'mktemp' is considered to be dangerous due to race conditions and s
     <arg nr="1" direction="in">
       <not-null/>
       <not-uninit/>
+      <strz/>
     </arg>
     <arg nr="2" direction="out">
       <not-null/>
@@ -1558,6 +1598,7 @@ The function 'mktemp' is considered to be dangerous due to race conditions and s
     <arg nr="2" direction="in">
       <not-null/>
       <not-uninit/>
+      <strz/>
     </arg>
     <arg nr="3" direction="out">
       <not-null/>
@@ -1576,6 +1617,7 @@ The function 'mktemp' is considered to be dangerous due to race conditions and s
     <arg nr="1" direction="in">
       <not-null/>
       <not-uninit/>
+      <strz/>
     </arg>
     <arg nr="2" direction="in">
       <not-uninit/>
@@ -1614,6 +1656,7 @@ The function 'mktemp' is considered to be dangerous due to race conditions and s
     <arg nr="1" direction="in">
       <not-null/>
       <not-uninit/>
+      <strz/>
     </arg>
     <arg nr="2" direction="in">
       <not-uninit/>
@@ -1631,6 +1674,7 @@ The function 'mktemp' is considered to be dangerous due to race conditions and s
     <arg nr="1" direction="in">
       <not-null/>
       <not-uninit/>
+      <strz/>
     </arg>
     <arg nr="2" direction="in">
       <not-uninit/>
@@ -1676,6 +1720,7 @@ The function 'mktemp' is considered to be dangerous due to race conditions and s
     <arg nr="1" direction="in">
       <not-null/>
       <not-uninit/>
+      <strz/>
     </arg>
     <arg nr="2" direction="in">
       <not-uninit/>
@@ -1711,6 +1756,7 @@ The function 'mktemp' is considered to be dangerous due to race conditions and s
     <arg nr="2" direction="in">
       <not-null/>
       <not-uninit/>
+      <strz/>
     </arg>
     <arg nr="3" direction="in">
       <not-uninit/>
@@ -1730,6 +1776,7 @@ The function 'mktemp' is considered to be dangerous due to race conditions and s
     <arg nr="1" direction="in">
       <not-null/>
       <not-uninit/>
+      <strz/>
     </arg>
     <arg nr="2" direction="in">
       <not-uninit/>
@@ -1747,6 +1794,7 @@ The function 'mktemp' is considered to be dangerous due to race conditions and s
       <not-null/>
       <not-uninit/>
       <not-bool/>
+      <strz/>
     </arg>
   </function>
   <!-- DIR *fdopendir(int fd); -->
@@ -1780,11 +1828,13 @@ The function 'mktemp' is considered to be dangerous due to race conditions and s
     <arg nr="1">
       <not-null/>
       <not-uninit/>
+      <strz/>
     </arg>
     <arg nr="2">
       <not-null/>
       <not-uninit/>
       <not-bool/>
+      <strz/>
     </arg>
   </function>
   <!-- int pclose(FILE *stream); -->
@@ -1936,6 +1986,7 @@ The function 'mktemp' is considered to be dangerous due to race conditions and s
     <arg nr="1">
       <not-null/>
       <not-uninit/>
+      <strz/>
     </arg>
     <arg nr="2" direction="in">
       <not-uninit/>
@@ -1966,6 +2017,7 @@ The function 'mktemp' is considered to be dangerous due to race conditions and s
       <not-null/>
       <not-uninit/>
       <not-bool/>
+      <strz/>
     </arg>
   </function>
   <!-- long int random(void); -->
@@ -2028,11 +2080,13 @@ The function 'mktemp' is considered to be dangerous due to race conditions and s
     <arg nr="1" direction="in">
       <not-null/>
       <not-uninit/>
+      <strz/>
     </arg>
     <arg nr="2" direction="in">
       <not-null/>
       <not-uninit/>
       <not-bool/>
+      <strz/>
     </arg>
   </function>
   <!-- https://man7.org/linux/man-pages/man3/strncasecmp.3.html -->
@@ -2046,10 +2100,12 @@ The function 'mktemp' is considered to be dangerous due to race conditions and s
     <arg nr="1" direction="in">
       <not-null/>
       <not-uninit/>
+      <strz/>
     </arg>
     <arg nr="2" direction="in">
       <not-null/>
       <not-uninit/>
+      <strz/>
     </arg>
     <arg nr="3" direction="in">
       <not-bool/>
@@ -2467,6 +2523,7 @@ The function 'mktemp' is considered to be dangerous due to race conditions and s
     <leak-ignore/>
     <arg nr="1" direction="in">
       <not-uninit/>
+      <strz/>
     </arg>
     <arg nr="2" direction="in">
       <not-uninit/>
@@ -2524,6 +2581,7 @@ The function 'mktemp' is considered to be dangerous due to race conditions and s
     <formatstr/>
     <arg nr="2" direction="in">
       <formatstr/>
+      <strz/>
     </arg>
     <arg nr="any">
       <not-uninit/>
@@ -2541,6 +2599,7 @@ The function 'mktemp' is considered to be dangerous due to race conditions and s
     <arg nr="2" direction="in">
       <not-uninit/>
       <formatstr/>
+      <strz/>
     </arg>
     <arg nr="3" direction="in">
       <not-uninit/>
@@ -2967,6 +3026,7 @@ The function 'mktemp' is considered to be dangerous due to race conditions and s
     <arg nr="2" direction="in">
       <not-uninit/>
       <minsize type="argvalue" arg="3"/>
+      <strz/>
     </arg>
     <arg nr="3" direction="in">
       <not-uninit/>
@@ -3024,6 +3084,7 @@ The function 'mktemp' is considered to be dangerous due to race conditions and s
       <not-uninit/>
       <not-bool/>
       <minsize type="argvalue" arg="3"/>
+      <strz/>
     </arg>
     <arg nr="3" direction="in">
       <not-uninit/>
@@ -3044,6 +3105,7 @@ The function 'mktemp' is considered to be dangerous due to race conditions and s
       <not-null/>
       <not-uninit/>
       <not-bool/>
+      <strz/>
     </arg>
   </function>
   <!-- https://pubs.opengroup.org/onlinepubs/9699919799/functions/dbm_clearerr.html -->
@@ -3130,6 +3192,7 @@ The function 'mktemp' is considered to be dangerous due to race conditions and s
     <arg nr="1" direction="in">
       <not-null/>
       <not-uninit/>
+      <strz/>
     </arg>
     <arg nr="2" direction="in">
       <not-uninit/>
@@ -3176,9 +3239,11 @@ The function 'mktemp' is considered to be dangerous due to race conditions and s
     <noreturn>false</noreturn>
     <arg nr="1" direction="in">
       <not-uninit/>
+      <strz/>
     </arg>
     <arg nr="2" direction="in">
       <not-uninit/>
+      <strz/>
     </arg>
     <arg nr="3" direction="in">
       <not-uninit/>
@@ -3329,6 +3394,7 @@ The function 'mktemp' is considered to be dangerous due to race conditions and s
     <arg nr="1" direction="in">
       <not-uninit/>
       <not-bool/>
+      <strz/>
     </arg>
     <warn severity="portability">Non reentrant function 'getpwnam' called. For threadsafe applications it is recommended to use the reentrant replacement function 'getpwnam_r'.</warn>
   </function>
@@ -3352,6 +3418,7 @@ The function 'mktemp' is considered to be dangerous due to race conditions and s
     <arg nr="2" direction="in">
       <not-null/>
       <not-uninit/>
+      <strz/>
     </arg>
     <arg nr="3" direction="inout">
       <not-null/>
@@ -3367,6 +3434,7 @@ The function 'mktemp' is considered to be dangerous due to race conditions and s
     <arg nr="1" direction="in">
       <not-uninit/>
       <not-null/>
+      <strz/>
     </arg>
     <arg nr="2" direction="out">
       <not-null/>
@@ -3458,6 +3526,7 @@ The function 'mktemp' is considered to be dangerous due to race conditions and s
     <arg nr="4" direction="in">
       <not-uninit/>
       <not-bool/>
+      <strz/>
     </arg>
   </function>
   <!-- https://pubs.opengroup.org/onlinepubs/9699919799/functions/catopen.html -->
@@ -3468,6 +3537,7 @@ The function 'mktemp' is considered to be dangerous due to race conditions and s
     <arg nr="1" direction="in">
       <not-null/>
       <not-uninit/>
+      <strz/>
     </arg>
     <arg nr="2" direction="in">
       <not-uninit/>
@@ -3560,6 +3630,7 @@ The function 'mktemp' is considered to be dangerous due to race conditions and s
       <not-uninit/>
       <not-null/>
       <minsize type="argvalue" arg="3"/>
+      <strz/>
     </arg>
     <arg nr="3" direction="in">
       <not-uninit/>
@@ -3585,6 +3656,7 @@ The function 'mktemp' is considered to be dangerous due to race conditions and s
     </arg>
     <arg nr="2" direction="in">
       <not-uninit/>
+      <strz/>
     </arg>
     <arg nr="3" direction="in">
       <not-uninit/>
@@ -3621,6 +3693,7 @@ The function 'mktemp' is considered to be dangerous due to race conditions and s
     <arg nr="2" direction="in">
       <not-null/>
       <not-uninit/>
+      <strz/>
     </arg>
     <arg nr="3" direction="in">
       <not-uninit/>
@@ -3888,6 +3961,7 @@ The function 'mktemp' is considered to be dangerous due to race conditions and s
     <arg nr="1" direction="in">
       <not-null/>
       <not-uninit/>
+      <strz/>
     </arg>
   </function>
   <!-- char *getpass(const char *prompt); -->
@@ -3898,6 +3972,7 @@ The function 'mktemp' is considered to be dangerous due to race conditions and s
     <arg nr="1" direction="in">
       <not-null/>
       <not-bool/>
+      <strz/>
     </arg>
   </function>
   <!-- http://pubs.opengroup.org/onlinepubs/009695399/basedefs/stdlib.h.html -->
@@ -3933,10 +4008,12 @@ The function 'mktemp' is considered to be dangerous due to race conditions and s
     <arg nr="1" direction="in">
       <not-null/>
       <not-uninit/>
+      <strz/>
     </arg>
     <arg nr="2" direction="in">
       <not-null/>
       <not-uninit/>
+      <strz/>
     </arg>
     <arg nr="3" direction="in">
       <not-uninit/>
@@ -3950,6 +4027,7 @@ The function 'mktemp' is considered to be dangerous due to race conditions and s
       <not-null/>
       <not-uninit/>
       <not-bool/>
+      <strz/>
     </arg>
   </function>
   <!-- struct tm * localtime(const time_t *tp); -->
@@ -4017,6 +4095,7 @@ The function 'mktemp' is considered to be dangerous due to race conditions and s
     <arg nr="1" direction="in">
       <not-null/>
       <not-uninit/>
+      <strz/>
     </arg>
     <arg nr="2" direction="out">
       <not-null/>
@@ -4041,6 +4120,7 @@ The function 'mktemp' is considered to be dangerous due to race conditions and s
     <arg nr="2" direction="in">
       <not-null/>
       <not-uninit/>
+      <strz/>
     </arg>
     <arg nr="3" direction="in">
       <not-uninit/>
@@ -4050,6 +4130,7 @@ The function 'mktemp' is considered to be dangerous due to race conditions and s
     <arg nr="4" direction="in">
       <not-null/>
       <not-uninit/>
+      <strz/>
     </arg>
   </function>
   <!-- https://man7.org/linux/man-pages/man2/readlink.2.html -->
@@ -4066,6 +4147,7 @@ The function 'mktemp' is considered to be dangerous due to race conditions and s
     <arg nr="2" direction="in">
       <not-null/>
       <not-uninit/>
+      <strz/>
     </arg>
     <arg nr="3" direction="out">
       <not-null/>
@@ -4394,6 +4476,7 @@ The function 'mktemp' is considered to be dangerous due to race conditions and s
     <arg nr="1" direction="in">
       <not-null/>
       <not-uninit/>
+      <strz/>
     </arg>
     <arg nr="2" direction="in">
       <not-uninit/>
@@ -4410,6 +4493,7 @@ The function 'mktemp' is considered to be dangerous due to race conditions and s
     <arg nr="1" direction="in">
       <not-null/>
       <not-uninit/>
+      <strz/>
     </arg>
     <arg nr="2" direction="in">
       <not-uninit/>
@@ -4752,6 +4836,7 @@ The function 'mktemp' is considered to be dangerous due to race conditions and s
       <not-null/>
       <not-uninit/>
       <not-bool/>
+      <strz/>
     </arg>
     <warn severity="portability">Non reentrant function 'getspnam' called. For threadsafe applications it is recommended to use the reentrant replacement function 'getspnam_r'.</warn>
   </function>
@@ -4786,6 +4871,7 @@ The function 'mktemp' is considered to be dangerous due to race conditions and s
       <not-null/>
       <not-uninit/>
       <not-bool/>
+      <strz/>
     </arg>
     <warn severity="portability">Non reentrant function 'sgetspent' called. For threadsafe applications it is recommended to use the reentrant replacement function 'sgetspent_r'.</warn>
   </function>
@@ -4869,6 +4955,7 @@ The function 'mktemp' is considered to be dangerous due to race conditions and s
       <not-null/>
       <not-uninit/>
       <not-bool/>
+      <strz/>
     </arg>
     <warn severity="portability">Non reentrant function 'getgrnam' called. For threadsafe applications it is recommended to use the reentrant replacement function 'getgrnam_r'.</warn>
   </function>
@@ -4895,6 +4982,7 @@ The function 'mktemp' is considered to be dangerous due to race conditions and s
       <not-null/>
       <not-uninit/>
       <not-bool/>
+      <strz/>
     </arg>
     <arg nr="2" direction="out">
       <not-null/>
@@ -5022,6 +5110,7 @@ The function 'mktemp' is considered to be dangerous due to race conditions and s
     <arg nr="1" direction="in">
       <not-uninit/>
       <not-null/>
+      <strz/>
     </arg>
     <arg nr="2" direction="out">
       <not-bool/>
@@ -5070,6 +5159,7 @@ The function 'mktemp' is considered to be dangerous due to race conditions and s
     <arg nr="1" direction="in">
       <not-null/>
       <not-uninit/>
+      <strz/>
     </arg>
     <arg nr="2" direction="out">
       <not-null/>
@@ -5182,6 +5272,7 @@ The function 'mktemp' is considered to be dangerous due to race conditions and s
       <not-null/>
       <not-uninit/>
       <minsize type="argvalue" arg="2"/>
+      <strz/>
     </arg>
     <arg nr="2" direction="in">
       <not-uninit/>
@@ -5318,6 +5409,7 @@ The function 'mktemp' is considered to be dangerous due to race conditions and s
     <arg nr="1" direction="in">
       <not-uninit/>
       <not-null/>
+      <strz/>
     </arg>
     <arg nr="2" direction="in">
       <not-uninit/>
@@ -5377,6 +5469,7 @@ The function 'mktemp' is considered to be dangerous due to race conditions and s
     <arg nr="2" direction="in">
       <not-null/>
       <not-uninit/>
+      <strz/>
     </arg>
     <arg nr="3" direction="in">
       <not-uninit/>
@@ -5431,6 +5524,7 @@ The function 'mktemp' is considered to be dangerous due to race conditions and s
       <not-uninit/>
       <not-null/>
       <not-bool/>
+      <strz/>
     </arg>
   </function>
   <!-- http://man7.org/linux/man-pages/man2/setitimer.2.html-->
@@ -5667,7 +5761,10 @@ The function 'mktemp' is considered to be dangerous due to race conditions and s
     <noreturn>false</noreturn>
     <leak-ignore/>
     <arg nr="1" direction="out"/>
-    <arg nr="2" direction="in"/>
+    <arg nr="2" direction="in">
+		<not-uninit/>
+		<strz/>
+	</arg>
     <arg nr="3" direction="in"/>
     <arg nr="4" direction="in"/>
     <arg nr="5"/>
diff --git a/test/cfg/posix.c b/test/cfg/posix.c
index 482214d12..ddb7788da 100644
--- a/test/cfg/posix.c
+++ b/test/cfg/posix.c
@@ -537,8 +537,10 @@ void bufferAccessOutOfBounds_bzero(void *s, size_t n)
 
 size_t bufferAccessOutOfBounds_strnlen(const char *s, size_t maxlen)
 {
-    char buf[2]={'4','2'};
+    const char buf[2]={'4','2'};
+    // cppcheck-suppress invalidFunctionArgStr
     size_t len = strnlen(buf,2);
+    // cppcheck-suppress invalidFunctionArgStr
     // cppcheck-suppress bufferAccessOutOfBounds
     len+=strnlen(buf,3);
     return len;