diff --git a/dlls/msvcr100/msvcr100.spec b/dlls/msvcr100/msvcr100.spec
index ab4e654569a..e6fadd692d7 100644
--- a/dlls/msvcr100/msvcr100.spec
+++ b/dlls/msvcr100/msvcr100.spec
@@ -490,7 +490,7 @@
 @ cdecl _abnormal_termination() msvcrt._abnormal_termination
 @ stub _abs64
 @ cdecl _access(str long) msvcrt._access
-@ stub _access_s
+@ cdecl _access_s(str long) msvcrt._access_s
 @ extern _acmdln msvcrt._acmdln
 @ cdecl _aligned_free(ptr) msvcrt._aligned_free
 @ cdecl _aligned_malloc(long long) msvcrt._aligned_malloc
@@ -1274,7 +1274,7 @@
 @ stub _vwprintf_p_l
 @ stub _vwprintf_s_l
 @ cdecl _waccess(wstr long) msvcrt._waccess
-@ stub _waccess_s
+@ cdecl _waccess_s(wstr long) msvcrt.waccess_s
 @ cdecl _wasctime(ptr) msvcrt._wasctime
 @ stub _wasctime_s
 @ stub _wassert
diff --git a/dlls/msvcr80/msvcr80.spec b/dlls/msvcr80/msvcr80.spec
index 7e14ecf4b4b..3953b5cf41f 100644
--- a/dlls/msvcr80/msvcr80.spec
+++ b/dlls/msvcr80/msvcr80.spec
@@ -314,7 +314,7 @@
 @ cdecl _abnormal_termination() msvcrt._abnormal_termination
 @ stub _abs64
 @ cdecl _access(str long) msvcrt._access
-@ stub _access_s
+@ cdecl _access_s(str long) msvcrt._access_s
 @ extern _acmdln msvcrt._acmdln
 @ stdcall -arch=i386 _adj_fdiv_m16i(long) msvcrt._adj_fdiv_m16i
 @ stdcall -arch=i386 _adj_fdiv_m32(long) msvcrt._adj_fdiv_m32
@@ -1127,7 +1127,7 @@
 @ stub _vwprintf_p_l
 @ stub _vwprintf_s_l
 @ cdecl _waccess(wstr long) msvcrt._waccess
-@ stub _waccess_s
+@ cdecl _waccess_s(wstr long) msvcrt._waccess_s
 @ cdecl _wasctime(ptr) msvcrt._wasctime
 @ stub _wasctime_s
 @ stub _wassert
diff --git a/dlls/msvcr90/msvcr90.spec b/dlls/msvcr90/msvcr90.spec
index c331365b005..f9188e3a24a 100644
--- a/dlls/msvcr90/msvcr90.spec
+++ b/dlls/msvcr90/msvcr90.spec
@@ -306,7 +306,7 @@
 @ cdecl _abnormal_termination() msvcrt._abnormal_termination
 @ stub _abs64
 @ cdecl _access(str long) msvcrt._access
-@ stub _access_s
+@ cdecl _access_s(str long) msvcrt._access_s
 @ extern _acmdln msvcrt._acmdln
 @ stdcall -arch=i386 _adj_fdiv_m16i(long) msvcrt._adj_fdiv_m16i
 @ stdcall -arch=i386 _adj_fdiv_m32(long) msvcrt._adj_fdiv_m32
@@ -1114,7 +1114,7 @@
 @ stub _vwprintf_p_l
 @ stub _vwprintf_s_l
 @ cdecl _waccess(wstr long) msvcrt._waccess
-@ stub _waccess_s
+@ cdecl _waccess_s(wstr long) msvcrt._waccess_s
 @ cdecl _wasctime(ptr) msvcrt._wasctime
 @ stub _wasctime_s
 @ stub _wassert
diff --git a/dlls/msvcrt/file.c b/dlls/msvcrt/file.c
index 7074120074f..ab18c1f3d28 100644
--- a/dlls/msvcrt/file.c
+++ b/dlls/msvcrt/file.c
@@ -55,6 +55,7 @@ WINE_DEFAULT_DEBUG_CHANNEL(msvcrt);
 
 /* _access() bit flags FIXME: incomplete */
 #define MSVCRT_W_OK      0x02
+#define MSVCRT_R_OK      0x04
 
 /* values for wxflag in file descriptor */
 #define WX_OPEN           0x01
@@ -506,6 +507,21 @@ int CDECL MSVCRT__access(const char *filename, int mode)
   return 0;
 }
 
+/*********************************************************************
+ *		_access_s (MSVCRT.@)
+ */
+int CDECL _access_s(const char *filename, int mode)
+{
+  if (!MSVCRT_CHECK_PMT(filename != NULL) ||
+      !MSVCRT_CHECK_PMT((mode & ~(MSVCRT_R_OK | MSVCRT_W_OK)) == 0))
+  {
+     *MSVCRT__errno() = MSVCRT_EINVAL;
+     return -1;
+  }
+
+  return MSVCRT__access(filename, mode);
+}
+
 /*********************************************************************
  *		_waccess (MSVCRT.@)
  */
@@ -528,6 +544,21 @@ int CDECL _waccess(const MSVCRT_wchar_t *filename, int mode)
   return 0;
 }
 
+/*********************************************************************
+ *		_waccess_s (MSVCRT.@)
+ */
+int CDECL _waccess_s(const MSVCRT_wchar_t *filename, int mode)
+{
+  if (!MSVCRT_CHECK_PMT(filename != NULL) ||
+      !MSVCRT_CHECK_PMT((mode & ~(MSVCRT_R_OK | MSVCRT_W_OK)) == 0))
+  {
+     *MSVCRT__errno() = MSVCRT_EINVAL;
+     return -1;
+  }
+
+  return _waccess(filename, mode);
+}
+
 /*********************************************************************
  *		_chmod (MSVCRT.@)
  */
diff --git a/dlls/msvcrt/msvcrt.spec b/dlls/msvcrt/msvcrt.spec
index 0a929afca11..f6baa107cd7 100644
--- a/dlls/msvcrt/msvcrt.spec
+++ b/dlls/msvcrt/msvcrt.spec
@@ -271,7 +271,7 @@
 @ cdecl _abnormal_termination()
 # stub _abs64
 @ cdecl _access(str long) MSVCRT__access
-# stub _access_s
+@ cdecl _access_s(str long)
 @ extern _acmdln MSVCRT__acmdln
 @ stdcall -arch=i386 _adj_fdiv_m16i(long)
 @ stdcall -arch=i386 _adj_fdiv_m32(long)
@@ -1046,7 +1046,7 @@
 # stub _vwprintf_p_l
 # stub _vwprintf_s_l
 @ cdecl _waccess(wstr long)
-# stub _waccess_s
+@ cdecl _waccess_s(wstr long)
 @ cdecl _wasctime(ptr) MSVCRT__wasctime
 # stub _wasctime_s
 # stub _wassert