diff --git a/dll/win32/msvcrt20/CMakeLists.txt b/dll/win32/msvcrt20/CMakeLists.txt
index cb521f8fa12..ded6f207611 100644
--- a/dll/win32/msvcrt20/CMakeLists.txt
+++ b/dll/win32/msvcrt20/CMakeLists.txt
@@ -1,32 +1,16 @@
 
-include_directories(${REACTOS_SOURCE_DIR}/sdk/lib/crt/include)
 spec2def(msvcrt20.dll msvcrt20.spec)
 
-add_definitions(
-    -DUSE_MSVCRT_PREFIX
-    -D_MSVCRT_
-    -D_MSVCRT_LIB_
-    -D_MT
-    -D_CTYPE_DISABLE_MACROS
-    -D_NO_INLINING
-    -DCRTDLL
-    -D__MINGW_IMPORT="")
-
-list(APPEND SOURCE
+add_library(msvcrt20 MODULE
     msvcrt20.c
-    stubs.c
     ${CMAKE_CURRENT_BINARY_DIR}/msvcrt20_stubs.c
     ${CMAKE_CURRENT_BINARY_DIR}/msvcrt20.def)
 
-add_library(msvcrt20 MODULE ${SOURCE})
 set_module_type(msvcrt20 win32dll ENTRYPOINT DllMain 12)
 add_dependencies(msvcrt20 psdk)
-target_link_libraries(msvcrt20 crt vcruntime wine ${PSEH_LIB})
+target_link_libraries(msvcrt20 msvcrt_static crtmath vcruntime wine chkstk ${PSEH_LIB})
 
-if(MSVC)
-    # export of deleting destructor "name"
-    target_link_options(msvcrt20 PRIVATE /ignore:4102)
-endif()
+add_importlibs(msvcrt20 kernel32 kernel32_vista ntdll)
+add_delay_importlibs(msvcrt20 user32 advapi32)
 
-add_importlibs(msvcrt20 kernel32 ntdll)
 add_cd_file(TARGET msvcrt20 DESTINATION reactos/system32 FOR all)
diff --git a/dll/win32/msvcrt20/msvcrt20.c b/dll/win32/msvcrt20/msvcrt20.c
index 8d1a6eca4e8..c21c0ce1ad7 100644
--- a/dll/win32/msvcrt20/msvcrt20.c
+++ b/dll/win32/msvcrt20/msvcrt20.c
@@ -21,143 +21,18 @@
 #define WIN32_NO_STATUS
 
 #include <stdio.h>
-#define _CRT_PRECOMP_H
-#include <internal/tls.h>
-//#include <stdlib.h>
-//#include <windows.h>
-#include <internal/wine/msvcrt.h>
-#include <internal/locale.h>
-//#include <locale.h>
-//#include <mbctype.h>
 
-#include <wine/debug.h>
-WINE_DEFAULT_DEBUG_CHANNEL(msvcrt);
-
-/* EXTERNAL PROTOTYPES ********************************************************/
-
-extern int BlockEnvToEnvironA(void);
-extern int BlockEnvToEnvironW(void);
-extern void FreeEnvironment(char **environment);
-
-extern unsigned int _osplatform;
-extern unsigned int _osver;
-extern unsigned int _winminor;
-extern unsigned int _winmajor;
-extern unsigned int _winver;
-
-extern char* _acmdln;        /* pointer to ascii command line */
-extern wchar_t* _wcmdln;     /* pointer to wide character command line */
-#undef _environ
-extern char** _environ;      /* pointer to environment block */
-extern char** __initenv;     /* pointer to initial environment block */
-extern wchar_t** _wenviron;  /* pointer to environment block */
-extern wchar_t** __winitenv; /* pointer to initial environment block */
-
-
-extern BOOL msvcrt_init_heap(void);
-extern void CDECL __getmainargs(int *argc, char** *argv, char** *envp,
+extern void _cdecl __getmainargs(int *argc, char** *argv, char** *envp,
                                 int expand_wildcards, int *new_mode);
-extern void CDECL __wgetmainargs(int *argc, WCHAR** *wargv, WCHAR** *wenvp,
+extern void _cdecl __wgetmainargs(int *argc, wchar_t** *wargv, wchar_t** *wenvp,
                                  int expand_wildcards, int *new_mode);
 
-/* LIBRARY ENTRY POINT ********************************************************/
-
-BOOL
-WINAPI
-DllMain(PVOID hinstDll, ULONG dwReason, PVOID reserved)
-{
-    OSVERSIONINFOW osvi;
-    switch (dwReason)
-    {
-    case DLL_PROCESS_ATTACH:
-        /* initialize version info */
-        TRACE("Process Attach\n");
-        osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFOW);
-        GetVersionExW( &osvi );
-        _winver     = (osvi.dwMajorVersion << 8) | osvi.dwMinorVersion;
-        _winmajor   = osvi.dwMajorVersion;
-        _winminor   = osvi.dwMinorVersion;
-        _osplatform = osvi.dwPlatformId;
-        _osver      = osvi.dwBuildNumber;
-
-        /* create tls stuff */
-        if (!msvcrt_init_tls())
-          return FALSE;
-
-        if (!msvcrt_init_heap())
-            return FALSE;
-
-        if (BlockEnvToEnvironA() < 0)
-            return FALSE;
-
-        if (BlockEnvToEnvironW() < 0)
-        {
-            FreeEnvironment(_environ);
-            return FALSE;
-        }
-
-        _acmdln = _strdup(GetCommandLineA());
-        _wcmdln = _wcsdup(GetCommandLineW());
-
-        /* Initialization of the WINE code */
-        msvcrt_init_mt_locks();
-        //msvcrt_init_math();
-        msvcrt_init_io();
-        //msvcrt_init_console();
-        //msvcrt_init_args();
-        //msvcrt_init_signals();
-        TRACE("Attach done\n");
-        break;
-
-    case DLL_THREAD_ATTACH:
-        //msvcrt_get_thread_data creates data when first called
-        break;
-
-    case DLL_THREAD_DETACH:
-        msvcrt_free_tls_mem();
-        break;
-
-    case DLL_PROCESS_DETACH:
-        TRACE("Detach\n");
-        /* Deinit of the WINE code */
-        msvcrt_free_io();
-        if (reserved) break;
-        msvcrt_free_popen_data();
-        msvcrt_free_mt_locks();
-        //msvcrt_free_console();
-        //msvcrt_free_args();
-        //msvcrt_free_signals();
-        msvcrt_free_tls_mem();
-        if (!msvcrt_free_tls())
-          return FALSE;
-        if(global_locale)
-          MSVCRT__free_locale(global_locale);
-
-        if (__winitenv && __winitenv != _wenviron)
-            FreeEnvironment((char**)__winitenv);
-        if (_wenviron)
-            FreeEnvironment((char**)_wenviron);
-
-        if (__initenv && __initenv != _environ)
-            FreeEnvironment(__initenv);
-        if (_environ)
-            FreeEnvironment(_environ);
-
-        TRACE("Detach done\n");
-        break;
-    }
-
-    return TRUE;
-}
-
-/* LIBRARY EXPORTS ************************************************************/
-
 /*********************************************************************
  *		__getmainargs (MSVCRT20.@)
  *
  * new_mode is not a pointer in msvcrt20.
  */
-void CDECL MSVCRT20__getmainargs( int *argc, char** *argv, char** *envp,
+void _cdecl MSVCRT20__getmainargs( int *argc, char** *argv, char** *envp,
                                   int expand_wildcards, int new_mode )
 {
     __getmainargs( argc, argv, envp, expand_wildcards, &new_mode );
@@ -168,10 +43,8 @@ void CDECL MSVCRT20__getmainargs( int *argc, char** *argv, char** *envp,
  *
  * new_mode is not a pointer in msvcrt20.
  */
-void CDECL MSVCRT20__wgetmainargs( int *argc, WCHAR** *wargv, WCHAR** *wenvp,
+void _cdecl MSVCRT20__wgetmainargs( int *argc, wchar_t** *wargv, wchar_t** *wenvp,
                                    int expand_wildcards, int new_mode )
 {
     __wgetmainargs( argc, wargv, wenvp, expand_wildcards, &new_mode );
 }
-
-/* EOF */
diff --git a/dll/win32/msvcrt20/msvcrt20.spec b/dll/win32/msvcrt20/msvcrt20.spec
index 2d15a360855..c3529bbca53 100644
--- a/dll/win32/msvcrt20/msvcrt20.spec
+++ b/dll/win32/msvcrt20/msvcrt20.spec
@@ -456,23 +456,23 @@
 @ cdecl -arch=i386 _CItan()
 @ cdecl -arch=i386 _CItanh()
 @ stdcall _CxxThrowException(long long)
-@ extern _HUGE
+@ extern _HUGE MSVCRT__HUGE
 @ cdecl _XcptFilter(long ptr)
 @ cdecl -i386 __CxxFrameHandler(ptr ptr ptr ptr)
 @ stdcall -i386 __CxxLongjmpUnwind(ptr)
 @ cdecl __STRINGTOLD(ptr ptr str long)
-@ extern __argc
-@ extern __argv
+@ extern __argc MSVCRT___argc
+@ extern __argv MSVCRT___argv
 @ cdecl __dllonexit(ptr ptr ptr)
 @ cdecl __doserrno()
 @ cdecl __fpecode()
 @ cdecl __getmainargs(ptr ptr ptr long long) MSVCRT20__getmainargs
-@ extern __initenv
+@ extern -arch=i386,x86_64 __initenv MSVCRT___initenv
 @ cdecl __isascii(long)
 @ cdecl __iscsym(long)
 @ cdecl __iscsymf(long)
 @ cdecl __lconv_init()
-@ extern __mb_cur_max
+@ extern __mb_cur_max MSVCRT___mb_cur_max
 @ cdecl -arch=i386 __p___argc()
 @ cdecl -arch=i386 __p___argv()
 @ cdecl -arch=i386 __p___initenv()
@@ -503,26 +503,26 @@
 @ cdecl __threadhandle() kernel32.GetCurrentThread
 @ cdecl __threadid() kernel32.GetCurrentThreadId
 @ cdecl __toascii(long)
-@ extern __wargv
+@ extern __wargv MSVCRT___wargv
 @ cdecl __wgetmainargs(ptr ptr ptr long long) MSVCRT20__wgetmainargs
-@ extern __winitenv
-@ cdecl _abnormal_termination()
+@ extern __winitenv MSVCRT___winitenv
+@ cdecl -arch=i386 _abnormal_termination() __intrinsic_abnormal_termination
 @ cdecl _access(str long)
-@ extern _acmdln
-@ stdcall _adj_fdiv_m16i(long)
-@ stdcall _adj_fdiv_m32(long)
-@ stdcall _adj_fdiv_m32i(long)
-@ stdcall _adj_fdiv_m64(double)
-@ cdecl _adj_fdiv_r()
-@ stdcall _adj_fdivr_m16i(long)
-@ stdcall _adj_fdivr_m32(long)
-@ stdcall _adj_fdivr_m32i(long)
-@ stdcall _adj_fdivr_m64(double)
-@ cdecl _adj_fpatan()
-@ cdecl _adj_fprem()
-@ cdecl _adj_fprem1()
-@ cdecl _adj_fptan()
-@ extern _adjust_fdiv
+@ extern _acmdln MSVCRT__acmdln
+@ stdcall -arch=i386 _adj_fdiv_m16i(long)
+@ stdcall -arch=i386 _adj_fdiv_m32(long)
+@ stdcall -arch=i386 _adj_fdiv_m32i(long)
+@ stdcall -arch=i386 _adj_fdiv_m64(int64)
+@ cdecl -arch=i386 _adj_fdiv_r()
+@ stdcall -arch=i386 _adj_fdivr_m16i(long)
+@ stdcall -arch=i386 _adj_fdivr_m32(long)
+@ stdcall -arch=i386 _adj_fdivr_m32i(long)
+@ stdcall -arch=i386 _adj_fdivr_m64(int64)
+@ cdecl -arch=i386 _adj_fpatan()
+@ cdecl -arch=i386 _adj_fprem()
+@ cdecl -arch=i386 _adj_fprem1()
+@ cdecl -arch=i386 _adj_fptan()
+@ extern -arch=i386 _adjust_fdiv MSVCRT__adjust_fdiv
 @ extern _aexit_rtn
 @ cdecl _amsg_exit(long)
 @ cdecl _assert(str str long)
@@ -543,7 +543,7 @@
 @ cdecl _clearfp()
 @ cdecl _close(long)
 @ cdecl _commit(long)
-@ extern _commode
+@ extern _commode MSVCRT__commode
 @ cdecl -arch=i386,x86_64 _control87(long long)
 @ cdecl _controlfp(long long)
 @ cdecl _copysign( double double )
@@ -551,15 +551,15 @@
 @ cdecl _cputs(str)
 @ cdecl _creat(str long)
 @ varargs _cscanf(str)
-@ extern _ctype
+@ extern _ctype MSVCRT__ctype
 @ cdecl _cwait(ptr long long)
-@ extern _daylight
+@ extern _daylight MSVCRT___daylight
 @ cdecl _dup(long)
 @ cdecl _dup2(long long)
 @ cdecl _ecvt(double long ptr ptr)
 @ cdecl _endthread()
 @ cdecl _endthreadex(long)
-@ extern _environ
+@ extern _environ MSVCRT__environ
 @ cdecl _eof(long)
 @ cdecl _errno()
 @ cdecl _except_handler2(ptr ptr ptr ptr)
@@ -589,7 +589,7 @@
 @ cdecl _finite( double )
 @ cdecl _flsbuf(long ptr)
 @ cdecl _flushall()
-@ extern _fmode
+@ extern _fmode MSVCRT__fmode
 @ cdecl _fpclass(double)
 @ cdecl _fpieee_flt(long ptr ptr)
 @ cdecl _fpreset()
@@ -597,10 +597,12 @@
 @ cdecl _fputwchar(long)
 @ cdecl _fsopen(str str long)
 @ cdecl _fstat(long ptr)
-@ cdecl _ftime(ptr)
+@ cdecl -arch=win32 _ftime(ptr) _ftime32
+@ cdecl -arch=win64 _ftime(ptr) _ftime64
 @ cdecl -arch=i386 -ret64 _ftol()
 @ cdecl _fullpath(ptr str long)
-@ cdecl _futime(long ptr)
+@ cdecl -arch=win32 _futime(long ptr) _futime32
+@ cdecl -arch=win64 _futime(long ptr) _futime64
 @ cdecl _gcvt(double long str)
 @ cdecl _get_osfhandle(long)
 @ cdecl _getch()
@@ -613,7 +615,7 @@
 @ cdecl _getdrives() kernel32.GetLogicalDrives
 @ cdecl _getmbcp()
 @ cdecl _getpid() kernel32.GetCurrentProcessId
-@ cdecl _getsystime(ptr)
+@ stub _getsystime(ptr)
 @ cdecl _getw(ptr)
 @ cdecl _getws(ptr)
 @ cdecl _global_unwind2(ptr)
@@ -621,23 +623,23 @@
 @ cdecl _heapchk()
 @ cdecl _heapmin()
 @ cdecl _heapset(long)
-@ cdecl _heapused(ptr ptr)
+@ stub _heapused(ptr ptr)
 @ cdecl _heapwalk(ptr)
 @ cdecl _hypot(double double)
 @ cdecl _initterm(ptr ptr)
-@ extern _iob
+@ extern _iob MSVCRT__iob
 @ cdecl _isatty(long)
 @ cdecl _isctype(long long)
-@ cdecl _ismbbalnum(long)
-@ cdecl _ismbbalpha(long)
-@ cdecl _ismbbgraph(long)
-@ cdecl _ismbbkalnum(long)
+@ stub _ismbbalnum(long)
+@ stub _ismbbalpha(long)
+@ stub _ismbbgraph(long)
+@ stub _ismbbkalnum(long)
 @ cdecl _ismbbkana(long)
-@ cdecl _ismbbkprint(long)
-@ cdecl _ismbbkpunct(long)
+@ stub _ismbbkprint(long)
+@ stub _ismbbkpunct(long)
 @ cdecl _ismbblead(long)
-@ cdecl _ismbbprint(long)
-@ cdecl _ismbbpunct(long)
+@ stub _ismbbprint(long)
+@ stub _ismbbpunct(long)
 @ cdecl _ismbbtrail(long)
 @ cdecl _ismbcalnum(long)
 @ cdecl _ismbcalpha(long)
@@ -670,8 +672,8 @@
 @ cdecl _locking(long long long)
 @ cdecl _logb(double)
 @ cdecl _longjmpex(ptr long) longjmp
-@ cdecl _lrotl(long long)
-@ cdecl _lrotr(long long)
+@ cdecl _lrotl(long long) MSVCRT__lrotl
+@ cdecl _lrotr(long long) MSVCRT__lrotr
 @ cdecl _lsearch(ptr ptr long long ptr)
 @ cdecl _lseek(long long long)
 @ cdecl _ltoa(long ptr long)
@@ -689,7 +691,7 @@
 @ cdecl _mbctolower(long)
 @ cdecl _mbctombb(long)
 @ cdecl _mbctoupper(long)
-@ extern _mbctype
+@ extern _mbctype MSVCRT_mbctype
 @ cdecl _mbsbtype(str long)
 @ cdecl _mbscat(str str)
 @ cdecl _mbschr(str long)
@@ -698,7 +700,7 @@
 @ cdecl _mbscpy(ptr str)
 @ cdecl _mbscspn(str str)
 @ cdecl _mbsdec(ptr ptr)
-@ cdecl _mbsdup(str)
+@ cdecl _mbsdup(str) _strdup
 @ cdecl _mbsicmp(str str)
 @ cdecl _mbsicoll(str str)
 @ cdecl _mbsinc(str)
@@ -715,11 +717,11 @@
 @ cdecl _mbsncat(str str long)
 @ cdecl _mbsnccnt(str long)
 @ cdecl _mbsncmp(str str long)
-@ cdecl _mbsncoll(str str long)
+@ stub _mbsncoll(str str long)
 @ cdecl _mbsncpy(str str long)
 @ cdecl _mbsnextc(str)
 @ cdecl _mbsnicmp(str str long)
-@ cdecl _mbsnicoll(str str long)
+@ stub _mbsnicoll(str str long)
 @ cdecl _mbsninc(str long)
 @ cdecl _mbsnset(str long long)
 @ cdecl _mbspbrk(str str)
@@ -743,10 +745,10 @@
 @ cdecl _onexit(ptr)
 @ varargs _open(str long)
 @ cdecl _open_osfhandle(long long)
-@ extern _osver
+@ extern _osver MSVCRT__osver
 @ cdecl _pclose(ptr)
-@ extern _pctype
-@ extern _pgmptr
+@ extern _pctype MSVCRT__pctype
+@ extern _pgmptr MSVCRT__pgmptr
 @ cdecl _pipe(ptr long long)
 @ cdecl _popen(str str)
 @ cdecl _purecall()
@@ -754,12 +756,12 @@
 @ cdecl _putenv(str)
 @ cdecl _putw(long ptr)
 @ cdecl _putws(wstr)
-@ extern _pwctype
+@ extern _pwctype MSVCRT__pwctype
 @ cdecl _read(long ptr long)
 @ cdecl _rmdir(str)
 @ cdecl _rmtmp()
-@ cdecl _rotl(long long)
-@ cdecl _rotr(long long)
+@ cdecl _rotl(long long) MSVCRT__rotl
+@ cdecl _rotr(long long) MSVCRT__rotr
 @ cdecl _safe_fdiv()
 @ cdecl _safe_fdivr()
 @ cdecl _safe_fprem()
@@ -772,7 +774,7 @@
 @ cdecl -i386 _setjmp3(ptr long)
 @ cdecl _setmbcp(long)
 @ cdecl _setmode(long long)
-@ cdecl _setsystime(ptr long)
+@ stub _setsystime(ptr long)
 @ cdecl _sleep(long)
 @ varargs _snprintf(ptr long str)
 @ varargs _snwprintf(ptr long wstr)
@@ -804,8 +806,8 @@
 @ cdecl _strtime(ptr)
 @ cdecl _strupr(str)
 @ cdecl _swab(str str long)
-@ extern _sys_errlist
-@ extern _sys_nerr
+@ extern _sys_errlist MSVCRT__sys_errlist
+@ extern _sys_nerr MSVCRT__sys_nerr
 @ cdecl _tccpy(str str) _mbccpy
 @ cdecl _tclen(ptr) _mbclen
 @ cdecl _tcschr(str long) _mbschr
@@ -841,10 +843,10 @@
 @ cdecl _tcsupr(str) _mbsupr
 @ cdecl _tell(long)
 @ cdecl _tempnam(str str)
-@ extern _timezone
+@ extern _timezone MSVCRT___timezone
 @ cdecl _tolower(long)
 @ cdecl _toupper(long)
-@ extern _tzname
+@ extern _tzname MSVCRT__tzname
 @ cdecl _tzset()
 @ cdecl _ultoa(long ptr long)
 @ cdecl _ultow(long ptr long)
@@ -852,14 +854,15 @@
 @ cdecl _ungetch(long)
 @ cdecl _unlink(str)
 @ cdecl _unloaddll(long)
-@ cdecl _utime(str ptr)
+@ cdecl -arch=win32 _utime(str ptr) _utime32
+@ cdecl -arch=win64 _utime(str ptr) _utime64
 @ cdecl _vsnprintf(ptr long ptr ptr)
 @ cdecl _vsnwprintf(ptr long wstr long)
 @ cdecl _waccess(wstr long)
 @ cdecl _wasctime(ptr)
 @ cdecl _wchdir(wstr)
 @ cdecl _wchmod(wstr long)
-@ extern _wcmdln
+@ extern _wcmdln MSVCRT__wcmdln
 @ cdecl _wcreat(wstr long)
 @ cdecl _wcsdup(wstr)
 @ cdecl _wcsicmp(wstr wstr)
@@ -872,8 +875,9 @@
 @ cdecl _wcsrev(wstr)
 @ cdecl _wcsset(wstr long)
 @ cdecl _wcsupr(wstr)
-@ cdecl _wctime(ptr)
-@ extern _wenviron
+@ cdecl -arch=win32 _wctime(ptr) _wctime32
+@ cdecl -arch=win64 _wctime(ptr) _wctime64
+@ extern _wenviron MSVCRT__wenviron
 @ varargs _wexecl(wstr wstr)
 @ varargs _wexecle(wstr wstr)
 @ varargs _wexeclp(wstr wstr)
@@ -892,15 +896,15 @@
 @ cdecl _wgetcwd(wstr long)
 @ cdecl _wgetdcwd(long wstr long)
 @ cdecl _wgetenv(wstr)
-@ extern _winmajor
-@ extern _winminor
-@ extern _winver
+@ extern _winmajor MSVCRT__winmajor
+@ extern _winminor MSVCRT__winminor
+@ extern _winver MSVCRT__winver
 @ cdecl _wmakepath(ptr wstr wstr wstr wstr)
 @ cdecl _wmkdir(wstr)
 @ cdecl _wmktemp(wstr)
 @ varargs _wopen(wstr long)
 @ cdecl _wperror(wstr)
-@ extern _wpgmptr
+@ extern _wpgmptr MSVCRT__wpgmptr
 @ cdecl _wpopen(wstr wstr)
 @ cdecl _wputenv(wstr)
 @ cdecl _wremove(wstr)
@@ -928,7 +932,8 @@
 @ cdecl _wtoi(wstr)
 @ cdecl _wtol(wstr)
 @ cdecl _wunlink(wstr)
-@ cdecl _wutime(wstr ptr)
+@ cdecl -arch=win32 _wutime(wstr ptr) _wutime32
+@ cdecl -arch=win64 _wutime(wstr ptr) _wutime64
 @ cdecl _y0(double)
 @ cdecl _y1(double)
 @ cdecl _yn(long double )
@@ -939,7 +944,7 @@
 @ cdecl asin(double)
 @ cdecl atan(double)
 @ cdecl atan2(double double)
-@ extern atexit # <-- do not touch this!
+@ extern atexit MSVCRT_atexit # <-- do not touch this!
 @ cdecl atof(str)
 @ cdecl atoi(str)
 @ cdecl atol(str)
@@ -950,9 +955,11 @@
 @ cdecl clock()
 @ cdecl cos(double)
 @ cdecl cosh(double)
-@ cdecl ctime(ptr)
-@ cdecl difftime(long long)
-@ cdecl div(long long)
+@ cdecl -arch=win32 ctime(ptr) _ctime32
+@ cdecl -arch=win64 ctime(ptr) _ctime64
+@ cdecl -arch=win32 difftime(long long) _difftime32
+@ cdecl -arch=win64 difftime(long long) _difftime64
+@ cdecl -ret64 div(long long)
 @ cdecl exit(long)
 @ cdecl exp(double)
 @ cdecl fabs(double)
@@ -990,8 +997,9 @@
 @ cdecl gets(str)
 @ cdecl getwc(ptr)
 @ cdecl getwchar()
-@ cdecl gmtime(ptr)
-@ cdecl is_wctype(long long)
+@ cdecl -arch=win32 gmtime(ptr) _gmtime32
+@ cdecl -arch=win64 gmtime(ptr) _gmtime64
+@ cdecl is_wctype(long long) iswctype
 @ cdecl isalnum(long)
 @ cdecl isalpha(long)
 @ cdecl iscntrl(long)
@@ -1021,7 +1029,8 @@
 @ cdecl ldexp(double long)
 @ cdecl ldiv(long long)
 @ cdecl localeconv()
-@ cdecl localtime(ptr)
+@ cdecl -arch=win32 localtime(ptr) _localtime32
+@ cdecl -arch=win64 localtime(ptr) _localtime64
 @ cdecl log(double)
 @ cdecl log10(double)
 @ cdecl longjmp(ptr long)
@@ -1034,7 +1043,8 @@
 @ cdecl memcpy(ptr ptr long)
 @ cdecl memmove(ptr ptr long)
 @ cdecl memset(ptr long long)
-@ cdecl mktime(ptr)
+@ cdecl -arch=win32 mktime(ptr) _mktime32
+@ cdecl -arch=win64 mktime(ptr) _mktime64
 @ cdecl modf(double ptr)
 @ cdecl perror(str)
 @ cdecl pow(double double)
@@ -1088,7 +1098,8 @@
 @ cdecl system(str)
 @ cdecl tan(double)
 @ cdecl tanh(double)
-@ cdecl time(ptr)
+@ cdecl -arch=win32 time(ptr) _time32
+@ cdecl -arch=win64 time(ptr) _time64
 @ cdecl tmpfile()
 @ cdecl tmpnam(ptr)
 @ cdecl tolower(long)
@@ -1101,7 +1112,7 @@
 @ cdecl vfwprintf(ptr wstr ptr)
 @ cdecl vprintf(str ptr)
 @ cdecl vsprintf(ptr str ptr)
-@ cdecl vswprintf(ptr wstr long)
+@ cdecl vswprintf(ptr wstr ptr) _vswprintf
 @ cdecl vwprintf(wstr long)
 @ cdecl wcscat(wstr wstr)
 @ cdecl wcschr(wstr long)
diff --git a/dll/win32/msvcrt20/stubs.c b/dll/win32/msvcrt20/stubs.c
deleted file mode 100644
index 469228006a4..00000000000
--- a/dll/win32/msvcrt20/stubs.c
+++ /dev/null
@@ -1,28 +0,0 @@
-#include <windef.h>
-#include <stubs.h>
-
-#undef UNIMPLEMENTED
-#define UNIMPLEMENTED __wine_spec_unimplemented_stub("msvcrt.dll", __FUNCTION__)
-
-int _atodbl(
-   void * value,
-   char * str)
-{
-    UNIMPLEMENTED;
-    return 0;
-}
-
-int _ismbbkprint(
-   unsigned int c)
-{
-    UNIMPLEMENTED;
-    return 0;
-}
-
-size_t _heapused( size_t *pUsed, size_t *pCommit )
-{
-    UNIMPLEMENTED;
-    return( 0 );
-}
-
-int _fileinfo = 0;