UNKNOWN
UNKNOWN
UNKNOWN = -1
UNKNOWN,
UNKNOWN = 0,
UNKNOWN,
UNKNOWN
UNKNOWN,
UNKNOWN,
UNKNOWN = -1,
UNKNOWN = 0x00,
#define UNKNOWN 0x0
UNKNOWN,
#define UNKNOWN 0
UNKNOWN = -1,
UNKNOWN,
UNKNOWN,
UNKNOWN = 1, // Works with FAIL_IF()