+/* also in winnt.h */
+#define FILE_LIST_DIRECTORY 0x00000001
+#define FILE_READ_DATA 0x00000001
+#define FILE_ADD_FILE 0x00000002
+#define FILE_WRITE_DATA 0x00000002
+#define FILE_ADD_SUBDIRECTORY 0x00000004
+#define FILE_APPEND_DATA 0x00000004
+#define FILE_CREATE_PIPE_INSTANCE 0x00000004
+#define FILE_READ_EA 0x00000008
+#define FILE_WRITE_EA 0x00000010
+#define FILE_EXECUTE 0x00000020
+#define FILE_TRAVERSE 0x00000020
+#define FILE_DELETE_CHILD 0x00000040
+#define FILE_READ_ATTRIBUTES 0x00000080
+#define FILE_WRITE_ATTRIBUTES 0x00000100
+
+#define FILE_SHARE_READ 0x00000001
+#define FILE_SHARE_WRITE 0x00000002
+#define FILE_SHARE_DELETE 0x00000004
+#define FILE_SHARE_VALID_FLAGS 0x00000007
+
+#define FILE_ATTRIBUTE_READONLY 0x00000001
+#define FILE_ATTRIBUTE_HIDDEN 0x00000002
+#define FILE_ATTRIBUTE_SYSTEM 0x00000004
+#define FILE_ATTRIBUTE_DIRECTORY 0x00000010
+#define FILE_ATTRIBUTE_ARCHIVE 0x00000020
+#define FILE_ATTRIBUTE_DEVICE 0x00000040
+#define FILE_ATTRIBUTE_NORMAL 0x00000080
+#define FILE_ATTRIBUTE_TEMPORARY 0x00000100
+#define FILE_ATTRIBUTE_SPARSE_FILE 0x00000200
+#define FILE_ATTRIBUTE_REPARSE_POINT 0x00000400
+#define FILE_ATTRIBUTE_COMPRESSED 0x00000800
+#define FILE_ATTRIBUTE_OFFLINE 0x00001000
+#define FILE_ATTRIBUTE_NOT_CONTENT_INDEXED 0x00002000
+#define FILE_ATTRIBUTE_ENCRYPTED 0x00004000
+
+#define FILE_ATTRIBUTE_VALID_FLAGS 0x00007fb7
+#define FILE_ATTRIBUTE_VALID_SET_FLAGS 0x000031a7
+
+#define FILE_VALID_OPTION_FLAGS 0x00ffffff
+#define FILE_VALID_PIPE_OPTION_FLAGS 0x00000032
+#define FILE_VALID_MAILSLOT_OPTION_FLAGS 0x00000032
+#define FILE_VALID_SET_FLAGS 0x00000036
+
+#define FILE_SUPERSEDE 0x00000000
+#define FILE_OPEN 0x00000001
+#define FILE_CREATE 0x00000002
+#define FILE_OPEN_IF 0x00000003
+#define FILE_OVERWRITE 0x00000004
+#define FILE_OVERWRITE_IF 0x00000005
+#define FILE_MAXIMUM_DISPOSITION 0x00000005
+
+#define FILE_DIRECTORY_FILE 0x00000001
+#define FILE_WRITE_THROUGH 0x00000002
+#define FILE_SEQUENTIAL_ONLY 0x00000004
+#define FILE_NO_INTERMEDIATE_BUFFERING 0x00000008
+#define FILE_SYNCHRONOUS_IO_ALERT 0x00000010
+#define FILE_SYNCHRONOUS_IO_NONALERT 0x00000020
+#define FILE_NON_DIRECTORY_FILE 0x00000040
+#define FILE_CREATE_TREE_CONNECTION 0x00000080
+#define FILE_COMPLETE_IF_OPLOCKED 0x00000100
+#define FILE_NO_EA_KNOWLEDGE 0x00000200
+
+