typedef unsigned char  u8;
typedef unsigned short u16;
typedef unsigned int  u32;

#define MII_NAME_LENGTH  10
#define MII_CREATOR_NAME_LENGTH  10

#define MII_HEIGHT_MIN  0x00
#define MII_HEIGHT_MAX  0x7F

#define MII_WEIGHT_MIN  0x00
#define MII_WEIGHT_MAX  0x7F

typedef struct
{
// addr: 0x00 & 0x01
 u16 invalid:1;
 u16 isGirl:1;
 u16 month:4;
 u16 day:5;
 u16 favColor:4;  // 0 - 11 (changing to 1111, along with setting the preceeding bit                                    // results in a grey shirt, some values over 11 will crash the Wii
                  // when trying to change the favorite color).
 u16 unknown:1;

// addr: 0x02 through 0x15
 u16 name[MII_NAME_LENGTH];

// addr: 0x16
 u8 height;

// addr: 0x17
 u8 weight;

// addr: 0x18 - 0x1B
 u8 miiID1;  // Unique Mii identifier
 u8 miiID2;
 u8 miiID3;
 u8 miiID4;

// addr: 0x1C & 0x1D & 0x1E & 0x1F
 u8 systemID0; // Checksum8 of first 3 bytes of mac addr
 u8 systemID1; // mac addr 3rd-to-last byte
 u8 systemID2; // mac addr 2nd-to-last byte
 u8 systemID3; // mac addr last byte

// addr: 0x20
 u16 faceshape:3;
 u16 skinColor:3;    // 0 - 5
 u16 unknown:?;
 u16 facialFeature:4; // 0 - 11

// addr: 0x22 & 0x23
 u16 unknown:7;      // Hair type falls in here
 u16 hairColor:3;
 u16 hairPart:1;

// addr: 0x24 & 0x25
 u16 unknown:?;      // Eyebrow type falls in here
 u16 eyebrowrotation:?;
 u16 unknown:?;

// addr: 0x26 & 0x27
 u16 eyebrowColor:3;
 u16 eyebrowSize:5;  // min 0, max 16 (depends on eyebrow type?)
 u16 eyebrowVOffset:?;
 u16 eyebrowSpacing:?;

// addr: 0x28 & 0x29
 u16 unknown:8;        // Eye type falls in here
 u16 eyeRotation:3;
 u16 unknown:1;
 u16 eyeHeight:4;      // 12 == mid, 0 == highest

// addr: 0x2A & 0x2B
 u16 eyeColor:3;
 u16 unknown:13;

// addr: 0x2C & 0x2D
 u16 noseType:4;  // 0 - 11
 u16 noseSize:4;  // 0 - 8
 u16 noseHeight:4;  // 0 - 9?
 u16 unknown:3;

// addr: 0x2E & 2F
 u16 lipType:5;
 u16 unknown:11;

// addr: 0x30
 u8 unknown:1;
 u8 glassesType:3;
 u8 glassesColor:3;
 u8 unknown:1;

// addr: 0x31 & 32
 u16 glassesSize:3;
 u16 unknown:1;
 u16 glassesHeight:4;
 u16 mustacheType:2;
 u16 beardType:2;
 u16 facialHairColor:3;
 u16 unknown:2;

// addr: 0x33
 u8 mustacheSize:3; // 0 (max) - ? (min)
 u8 unknown:1;
 u8 mustacheHeight:4; // 0 (high) - 16 (low)

// addr: 0x34 & 0x35
 u16 moleOn:1;
 u16 moleSize:3;  // ? - 8
 u16 moleHeight:5;  // 0 -
 u16 unknown:4;
 u16 moleHorizontal:3; // 0 (left) - ? (right)

// addr: 0x36
 u16 creatorName[MII_CREATOR_NAME_LENGTH];

} MII_DATA_STRUCT;