ref: 46bac13b16df5cbd92ea1da12cfef168201f0dad
dir: /sys/src/games/sudoku/sudoku.h/
enum{
Brdsize = 9,
Psize = Brdsize * Brdsize,
Alldigits = 0x1FF,
Digit = 0x0000000F,
Solve = 0x000000F0,
Allow = 0x0001FF00,
MLock = 0x00020000,
Line = 0,
Thickline = 1,
Border = Thickline*4,
Square = 48,
Maxx = Square*9 + 2*Border,
Maxy = Maxx + Square,
};
typedef struct Cell {
int digit;
int solve;
int locked;
} Cell;
Cell brd[Psize];
Cell obrd[Psize];
int board[Psize];
/* game.c */
int getrow(int cell);
int getcol(int cell);
int getbox(int cell);
void setdigit(int cc, int num);
int boxcheck(int *board);
int rowcheck(int *board);
int colcheck(int *board);
int setallowed(int *board, int cc, int num);
int chksolved(int *board);
void attempt(int *pboard, int level);
void clearp(void);
void makep(void);
/* sudoku.c */
void drawbar(int digit, int selected);
void drawcell(int x, int y, int num, Image *col);
void drawblink(int cell);
char *genlevels(int i);
/* levels.c */
void fprettyprintbrd(Cell *board);
void fprintbrd(int fd, Cell *board);
void floadbrd(int fd, Cell *board);
void printboard(Cell *board);
int loadlevel(char *name, Cell *board);
void savegame(Cell *board);
int loadgame(Cell *board);