MSVCRT needs a public errno.h file.
diff --git a/dlls/msvcrt/dir.c b/dlls/msvcrt/dir.c
index 81a6021..a5889e5 100644
--- a/dlls/msvcrt/dir.c
+++ b/dlls/msvcrt/dir.c
@@ -28,7 +28,7 @@
#include "winternl.h"
#include "wine/unicode.h"
#include "msvcrt.h"
-#include "ms_errno.h"
+#include "msvcrt/errno.h"
#include "wine/unicode.h"
#include "msvcrt/direct.h"
diff --git a/dlls/msvcrt/errno.c b/dlls/msvcrt/errno.c
index efc65f1..dd1c203 100644
--- a/dlls/msvcrt/errno.c
+++ b/dlls/msvcrt/errno.c
@@ -19,7 +19,7 @@
*/
#include "msvcrt.h"
-#include "ms_errno.h"
+#include "msvcrt/errno.h"
#include <stdio.h>
#include <string.h>
diff --git a/dlls/msvcrt/file.c b/dlls/msvcrt/file.c
index f6c5494..fa42a7d 100644
--- a/dlls/msvcrt/file.c
+++ b/dlls/msvcrt/file.c
@@ -32,7 +32,7 @@
#include "winternl.h"
#include "msvcrt.h"
-#include "ms_errno.h"
+#include "msvcrt/errno.h"
#include "wine/unicode.h"
#include "msvcrt/direct.h"
diff --git a/dlls/msvcrt/heap.c b/dlls/msvcrt/heap.c
index 3bc63fa..498894a 100644
--- a/dlls/msvcrt/heap.c
+++ b/dlls/msvcrt/heap.c
@@ -22,7 +22,7 @@
*/
#include "msvcrt.h"
-#include "ms_errno.h"
+#include "msvcrt/errno.h"
#include "msvcrt/malloc.h"
#include "msvcrt/stdlib.h"
diff --git a/dlls/msvcrt/math.c b/dlls/msvcrt/math.c
index f734b9e..efc6353 100644
--- a/dlls/msvcrt/math.c
+++ b/dlls/msvcrt/math.c
@@ -19,7 +19,7 @@
*/
#include "config.h"
#include "msvcrt.h"
-#include "ms_errno.h"
+#include "msvcrt/errno.h"
#define __USE_ISOC9X 1
#define __USE_ISOC99 1
diff --git a/dlls/msvcrt/ms_errno.h b/dlls/msvcrt/ms_errno.h
deleted file mode 100644
index 99dbdb2..0000000
--- a/dlls/msvcrt/ms_errno.h
+++ /dev/null
@@ -1,60 +0,0 @@
-/*
- * Copyright 2001 Jon Griffiths
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-
-#ifndef __WINE_MSVCRT_ERRNO_H
-#define __WINE_MSVCRT_ERRNO_H
-
-#define MSVCRT_EPERM 1
-#define MSVCRT_ENOENT 2
-#define MSVCRT_ESRCH 3
-#define MSVCRT_EINTR 4
-#define MSVCRT_EIO 5
-#define MSVCRT_ENXIO 6
-#define MSVCRT_E2BIG 7
-#define MSVCRT_ENOEXEC 8
-#define MSVCRT_EBADF 9
-#define MSVCRT_ECHILD 10
-#define MSVCRT_EAGAIN 11
-#define MSVCRT_ENOMEM 12
-#define MSVCRT_EACCES 13
-#define MSVCRT_EFAULT 14
-#define MSVCRT_EBUSY 16
-#define MSVCRT_EEXIST 17
-#define MSVCRT_EXDEV 18
-#define MSVCRT_ENODEV 19
-#define MSVCRT_ENOTDIR 20
-#define MSVCRT_EISDIR 21
-#define MSVCRT_EINVAL 22
-#define MSVCRT_ENFILE 23
-#define MSVCRT_EMFILE 24
-#define MSVCRT_ENOTTY 25
-#define MSVCRT_EFBIG 27
-#define MSVCRT_ENOSPC 28
-#define MSVCRT_ESPIPE 29
-#define MSVCRT_EROFS 30
-#define MSVCRT_EMLINK 31
-#define MSVCRT_EPIPE 32
-#define MSVCRT_EDOM 33
-#define MSVCRT_ERANGE 34
-#define MSVCRT_EDEADLK 36
-#define MSVCRT_ENAMETOOLONG 38
-#define MSVCRT_ENOLCK 39
-#define MSVCRT_ENOSYS 40
-#define MSVCRT_ENOTEMPTY 41
-
-#endif /* __WINE_MSVCRT_ERRNO_H */
diff --git a/dlls/msvcrt/process.c b/dlls/msvcrt/process.c
index fe95ec4..f8abd6c 100644
--- a/dlls/msvcrt/process.c
+++ b/dlls/msvcrt/process.c
@@ -30,7 +30,7 @@
#include <stdarg.h>
#include "msvcrt.h"
-#include "ms_errno.h"
+#include "msvcrt/errno.h"
#include "msvcrt/process.h"
#include "msvcrt/stdlib.h"
diff --git a/include/Makefile.in b/include/Makefile.in
index 6985b10..1b8ff81 100644
--- a/include/Makefile.in
+++ b/include/Makefile.in
@@ -67,6 +67,7 @@
msvcrt/direct.h \
msvcrt/dos.h \
msvcrt/eh.h \
+ msvcrt/errno.h \
msvcrt/excpt.h \
msvcrt/fcntl.h \
msvcrt/io.h \
diff --git a/include/msvcrt/errno.h b/include/msvcrt/errno.h
new file mode 100644
index 0000000..8f0b106
--- /dev/null
+++ b/include/msvcrt/errno.h
@@ -0,0 +1,105 @@
+/*
+ * Copyright 2001 Jon Griffiths
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef __WINE_ERRNO_H
+#define __WINE_ERRNO_H
+#define __WINE_USE_MSVCRT
+
+#ifdef USE_MSVCRT_PREFIX
+
+# define MSVCRT_EPERM 1
+# define MSVCRT_ENOENT 2
+# define MSVCRT_ESRCH 3
+# define MSVCRT_EINTR 4
+# define MSVCRT_EIO 5
+# define MSVCRT_ENXIO 6
+# define MSVCRT_E2BIG 7
+# define MSVCRT_ENOEXEC 8
+# define MSVCRT_EBADF 9
+# define MSVCRT_ECHILD 10
+# define MSVCRT_EAGAIN 11
+# define MSVCRT_ENOMEM 12
+# define MSVCRT_EACCES 13
+# define MSVCRT_EFAULT 14
+# define MSVCRT_EBUSY 16
+# define MSVCRT_EEXIST 17
+# define MSVCRT_EXDEV 18
+# define MSVCRT_ENODEV 19
+# define MSVCRT_ENOTDIR 20
+# define MSVCRT_EISDIR 21
+# define MSVCRT_EINVAL 22
+# define MSVCRT_ENFILE 23
+# define MSVCRT_EMFILE 24
+# define MSVCRT_ENOTTY 25
+# define MSVCRT_EFBIG 27
+# define MSVCRT_ENOSPC 28
+# define MSVCRT_ESPIPE 29
+# define MSVCRT_EROFS 30
+# define MSVCRT_EMLINK 31
+# define MSVCRT_EPIPE 32
+# define MSVCRT_EDOM 33
+# define MSVCRT_ERANGE 34
+# define MSVCRT_EDEADLK 36
+# define MSVCRT_ENAMETOOLONG 38
+# define MSVCRT_ENOLCK 39
+# define MSVCRT_ENOSYS 40
+# define MSVCRT_ENOTEMPTY 41
+
+#else /* USE_MSVCRT_PREFIX */
+
+# define EPERM 1
+# define ENOENT 2
+# define ESRCH 3
+# define EINTR 4
+# define EIO 5
+# define ENXIO 6
+# define E2BIG 7
+# define ENOEXEC 8
+# define EBADF 9
+# define ECHILD 10
+# define EAGAIN 11
+# define ENOMEM 12
+# define EACCES 13
+# define EFAULT 14
+# define EBUSY 16
+# define EEXIST 17
+# define EXDEV 18
+# define ENODEV 19
+# define ENOTDIR 20
+# define EISDIR 21
+# define EINVAL 22
+# define ENFILE 23
+# define EMFILE 24
+# define ENOTTY 25
+# define EFBIG 27
+# define ENOSPC 28
+# define ESPIPE 29
+# define EROFS 30
+# define EMLINK 31
+# define EPIPE 32
+# define EDOM 33
+# define ERANGE 34
+# define EDEADLK 36
+# define ENAMETOOLONG 38
+# define ENOLCK 39
+# define ENOSYS 40
+# define ENOTEMPTY 41
+
+#endif /* USE_MSVCRT_PREFIX */
+
+#endif /* __WINE_ERRNO_H */
