diff --git a/dll/win32/msvcrt/stubs.c b/dll/win32/msvcrt/stubs.c
index 72b32222091..389bc11f3ed 100644
--- a/dll/win32/msvcrt/stubs.c
+++ b/dll/win32/msvcrt/stubs.c
@@ -10,7 +10,7 @@ int __get_app_type()
     return 0;
 }
 
-int _fileinfo = 0;
+int _fileinfo = -1;
 
 void *
 __p__fileinfo()
diff --git a/sdk/lib/crt/misc/amsg.c b/sdk/lib/crt/misc/amsg.c
index 9c53ee118ec..2a1337f8cec 100644
--- a/sdk/lib/crt/misc/amsg.c
+++ b/sdk/lib/crt/misc/amsg.c
@@ -35,11 +35,8 @@ static char *__rt_err_msg[] =
 /*
  * @implemented
  */
-int _aexit_rtn(int exitcode)
-{
-    _exit(exitcode);
-    return 0;
-}
+typedef void (*aexit_t)(int);
+aexit_t _aexit_rtn = _exit;
 
 /*
  * @implemented
diff --git a/sdk/lib/crt/misc/environ.c b/sdk/lib/crt/misc/environ.c
index 975ab521f43..8248570ad1f 100644
--- a/sdk/lib/crt/misc/environ.c
+++ b/sdk/lib/crt/misc/environ.c
@@ -28,7 +28,7 @@ char *_pgmptr = NULL;        /* pointer to program name */
 #undef _wpgmptr
 wchar_t *_wpgmptr = NULL;    /* pointer to program name */
 int __app_type = _UNKNOWN_APP; /* application type */
-int _commode = _IOCOMMIT;
+int _commode;
 
 
 int BlockEnvToEnvironA(void)
diff --git a/sdk/lib/crt/string/strerror.c b/sdk/lib/crt/string/strerror.c
index a583c22c7bd..10bda6c746f 100644
--- a/sdk/lib/crt/string/strerror.c
+++ b/sdk/lib/crt/string/strerror.c
@@ -76,7 +76,7 @@ __syserr35, __syserr36, __syserr37, __syserr38, __syserr39,
 __syserr40, __syserr41, __syserr42
 };
 
-int _sys_nerr = sizeof(_sys_errlist) / sizeof(_sys_errlist[0]) - 1;
+int _sys_nerr = sizeof(_sys_errlist) / sizeof(_sys_errlist[0]);
 
 /*********************************************************************
  *		strerror (MSVCRT.@)