diff --git a/dlls/crtdll/crtdll.spec b/dlls/crtdll/crtdll.spec
index 8920b149608..f0428956fc3 100644
--- a/dlls/crtdll/crtdll.spec
+++ b/dlls/crtdll/crtdll.spec
@@ -282,21 +282,21 @@ init    CRTDLL_Init
 @ forward _statusfp msvcrt._statusfp
 @ forward _strcmpi msvcrt._strcmpi
 @ forward _strdate msvcrt._strdate
-@ forward _strdec msvcrt._strdec
+@ cdecl _strdec(str str) _strdec
 @ forward _strdup msvcrt._strdup
 @ forward _strerror msvcrt._strerror
 @ forward _stricmp msvcrt._stricmp
 @ forward _stricoll msvcrt._stricoll
-@ forward _strinc msvcrt._strinc
+@ cdecl _strinc(str) _strinc
 @ forward _strlwr msvcrt._strlwr
-@ forward _strncnt msvcrt._strncnt
-@ forward _strnextc msvcrt._strnextc
+@ cdecl _strncnt(str long) _strncnt
+@ cdecl _strnextc(str) _strnextc
 @ forward _strnicmp msvcrt._strnicmp
-@ forward _strninc msvcrt._strninc
+@ cdecl _strninc(str long) _strninc
 @ forward _strnset msvcrt._strnset
 @ forward _strrev msvcrt._strrev
 @ forward _strset msvcrt._strset
-@ forward _strspnp msvcrt._strspnp
+@ cdecl _strspnp(str str) _strspnp
 @ forward _strtime msvcrt._strtime
 @ forward _strupr msvcrt._strupr
 @ forward _swab msvcrt._swab
diff --git a/dlls/crtdll/crtdll_main.c b/dlls/crtdll/crtdll_main.c
index b83acd1e6e8..2c4205d2ec6 100644
--- a/dlls/crtdll/crtdll_main.c
+++ b/dlls/crtdll/crtdll_main.c
@@ -133,3 +133,59 @@ int CRTDLL__stat(const char* path, struct crtdll_stat * buf)
     if (!(ret = _stat( path, &st ))) convert_struct_stat( buf, &st );
     return ret;
 }
+
+
+/*********************************************************************
+ *		_strdec (CRTDLL.@)
+ */
+char *_strdec(const char *str1, const char *str2)
+{
+    return (char *)(str2 - 1);
+}
+
+
+/*********************************************************************
+ *		_strinc (CRTDLL.@)
+ */
+char *_strinc(const char *str)
+{
+    return (char *)(str + 1);
+}
+
+
+/*********************************************************************
+ *		_strncnt (CRTDLL.@)
+ */
+size_t _strncnt(const char *str, size_t maxlen)
+{
+    size_t len = strlen(str);
+    return (len > maxlen) ? maxlen : len;
+}
+
+
+/*********************************************************************
+ *		_strnextc (CRTDLL.@)
+ */
+unsigned int _strnextc(const char *str)
+{
+    return (unsigned int)str[0];
+}
+
+
+/*********************************************************************
+ *		_strninc (CRTDLL.@)
+ */
+char *_strninc(const char *str, size_t len)
+{
+    return (char *)(str + len);
+}
+
+
+/*********************************************************************
+ *		_strspnp (CRTDLL.@)
+ */
+char *_strspnp( const char *str1, const char *str2)
+{
+    str1 += strspn( str1, str2 );
+    return *str1 ? (char*)str1 : NULL;
+}
diff --git a/dlls/msvcrt20/msvcrt20.spec b/dlls/msvcrt20/msvcrt20.spec
index c8bada084a9..e21f65dc076 100644
--- a/dlls/msvcrt20/msvcrt20.spec
+++ b/dlls/msvcrt20/msvcrt20.spec
@@ -735,8 +735,8 @@
 @ forward -noimport _mkdir msvcrt._mkdir
 @ forward -noimport _mktemp msvcrt._mktemp
 @ forward -noimport _msize msvcrt._msize
-@ forward -noimport _mtlock msvcrt._mtlock
-@ forward -noimport _mtunlock msvcrt._mtunlock
+@ stub _mtlock
+@ stub _mtunlock
 @ forward -noimport _nextafter msvcrt._nextafter
 @ forward -noimport _onexit msvcrt._onexit
 @ forward -noimport _open msvcrt._open
@@ -764,7 +764,7 @@
 @ forward -noimport _safe_fprem1 msvcrt._safe_fprem1
 @ forward -noimport _scalb msvcrt._scalb
 @ forward -noimport _searchenv msvcrt._searchenv
-@ forward -noimport __seh_longjmp_unwind@4 msvcrt.__seh_longjmp_unwind
+@ forward -noimport __seh_longjmp_unwind msvcrt._seh_longjmp_unwind
 @ forward -noimport _seterrormode msvcrt._seterrormode
 @ forward -noimport _setjmp msvcrt._setjmp
 @ forward -noimport _setjmp3 msvcrt._setjmp3
@@ -804,39 +804,39 @@
 @ forward -noimport _swab msvcrt._swab
 @ forward -noimport _sys_errlist msvcrt._sys_errlist
 @ forward -noimport _sys_nerr msvcrt._sys_nerr
-@ forward -noimport _tccpy msvcrt._tccpy
-@ forward -noimport _tclen msvcrt._tclen
-@ forward -noimport _tcschr msvcrt._tcschr
-@ forward -noimport _tcsclen msvcrt._tcsclen
-@ forward -noimport _tcscmp msvcrt._tcscmp
-@ forward -noimport _tcscspn msvcrt._tcscspn
-@ forward -noimport _tcsdec msvcrt._tcsdec
-@ forward -noimport _tcsicmp msvcrt._tcsicmp
-@ forward -noimport _tcsinc msvcrt._tcsinc
-@ forward -noimport _tcslwr msvcrt._tcslwr
-@ forward -noimport _tcsnbcnt msvcrt._tcsnbcnt
-@ forward -noimport _tcsncat msvcrt._tcsncat
-@ forward -noimport _tcsnccat msvcrt._tcsnccat
-@ forward -noimport _tcsnccmp msvcrt._tcsnccmp
-@ forward -noimport _tcsnccnt msvcrt._tcsnccnt
-@ forward -noimport _tcsnccpy msvcrt._tcsnccpy
-@ forward -noimport _tcsncicmp msvcrt._tcsncicmp
-@ forward -noimport _tcsncmp msvcrt._tcsncmp
-@ forward -noimport _tcsncpy msvcrt._tcsncpy
-@ forward -noimport _tcsncset msvcrt._tcsncset
-@ forward -noimport _tcsnextc msvcrt._tcsnextc
-@ forward -noimport _tcsnicmp msvcrt._tcsnicmp
-@ forward -noimport _tcsninc msvcrt._tcsninc
-@ forward -noimport _tcsnset msvcrt._tcsnset
-@ forward -noimport _tcspbrk msvcrt._tcspbrk
-@ forward -noimport _tcsrchr msvcrt._tcsrchr
-@ forward -noimport _tcsrev msvcrt._tcsrev
-@ forward -noimport _tcsset msvcrt._tcsset
-@ forward -noimport _tcsspn msvcrt._tcsspn
-@ forward -noimport _tcsspnp msvcrt._tcsspnp
-@ forward -noimport _tcsstr msvcrt._tcsstr
-@ forward -noimport _tcstok msvcrt._tcstok
-@ forward -noimport _tcsupr msvcrt._tcsupr
+@ forward -noimport _tccpy msvcrt._mbccpy
+@ forward -noimport _tclen msvcrt._mbclen
+@ forward -noimport _tcschr msvcrt._mbschr
+@ forward -noimport _tcsclen msvcrt._mbslen
+@ forward -noimport _tcscmp msvcrt._mbscmp
+@ forward -noimport _tcscspn msvcrt._mbscspn
+@ forward -noimport _tcsdec msvcrt._mbsdec
+@ forward -noimport _tcsicmp msvcrt._mbsicmp
+@ forward -noimport _tcsinc msvcrt._mbsinc
+@ forward -noimport _tcslwr msvcrt._mbslwr
+@ forward -noimport _tcsnbcnt msvcrt._mbsnbcnt
+@ forward -noimport _tcsncat msvcrt._mbsnbcat
+@ forward -noimport _tcsnccat msvcrt._mbsncat
+@ forward -noimport _tcsnccmp msvcrt._mbsncmp
+@ forward -noimport _tcsnccnt msvcrt._mbsnccnt
+@ forward -noimport _tcsnccpy msvcrt._mbsncpy
+@ forward -noimport _tcsncicmp msvcrt._mbsnicmp
+@ forward -noimport _tcsncmp msvcrt._mbsnbcmp
+@ forward -noimport _tcsncpy msvcrt._mbsnbcpy
+@ forward -noimport _tcsncset msvcrt._mbsnset
+@ forward -noimport _tcsnextc msvcrt._mbsnextc
+@ forward -noimport _tcsnicmp msvcrt._mbsnbicmp
+@ forward -noimport _tcsninc msvcrt._mbsninc
+@ forward -noimport _tcsnset msvcrt._mbsnbset
+@ forward -noimport _tcspbrk msvcrt._mbspbrk
+@ forward -noimport _tcsrchr msvcrt._mbsrchr
+@ forward -noimport _tcsrev msvcrt._mbsrev
+@ forward -noimport _tcsset msvcrt._mbsset
+@ forward -noimport _tcsspn msvcrt._mbsspn
+@ forward -noimport _tcsspnp msvcrt._mbsspnp
+@ forward -noimport _tcsstr msvcrt._mbsstr
+@ forward -noimport _tcstok msvcrt._mbstok
+@ forward -noimport _tcsupr msvcrt._mbsupr
 @ forward -noimport _tell msvcrt._tell
 @ forward -noimport _tempnam msvcrt._tempnam
 @ forward -noimport _timezone msvcrt._timezone
diff --git a/dlls/shell32/shell32.spec b/dlls/shell32/shell32.spec
index 9227bf265ee..1f5aa63cc1d 100644
--- a/dlls/shell32/shell32.spec
+++ b/dlls/shell32/shell32.spec
@@ -247,7 +247,7 @@ init	Shell32LibMain
  313 forward StrNCmpIW shlwapi.StrCmpNIW
  314 forward StrNCmpW shlwapi.StrCmpNW
  315 stdcall StrNCpyA (ptr str long) lstrcpynA
- 316 forward StrNCpyW shlwapi.StrNCpyW
+ 316 forward StrNCpyW shlwapi.StrCpyNW
  317 forward StrRChrA shlwapi.StrRChrA
  318 forward StrRChrIA shlwapi.StrRChrIA
  319 forward StrRChrIW shlwapi.StrRChrIW