Alex Henrie (@alexhenrie) commented about include/ddk/ntifs.h:
#define REPARSE_GUID_DATA_BUFFER_HEADER_SIZE FIELD_OFFSET(REPARSE_GUID_DATA_BUFFER, GenericReparseBuffer)
+#define COMPRESSION_FORMAT_NONE 0 +#define COMPRESSION_FORMAT_DEFAULT 1 +#define COMPRESSION_FORMAT_LZNT1 2 +#define COMPRESSION_FORMAT_XPRESS 3 // Windows 8 +#define COMPRESSION_FORMAT_XPRESS_HUFF 4 // Windows 8 +#define COMPRESSION_FORMAT_MAX 4 + +#define COMPRESSION_ENGINE_STANDARD 0x0000 +#define COMPRESSION_ENGINE_MAXIMUM 0x0100 +#define COMPRESSION_ENGINE_HIBER 0x0200 +#define COMPRESSION_ENGINE_MAX 0x0200 + +#define COMPRESSION_FORMAT_MASK 0x00FF +#define COMPRESSION_ENGINE_MASK 0xFF00 Lowercase is generally preferred for hexadecimal constants in Wine.
-- https://gitlab.winehq.org/wine/wine/-/merge_requests/3526#note_41538