xc 121 core/gui_draw.h extern void draw_ellipse(coord xc, coord yc, unsigned int a, unsigned int b, color cl, int flags); xc 369 modules/games/gui_sudoku.c int yc, xc; xc 370 modules/games/gui_sudoku.c for (xc=0; xc<9; xc++) if (field[y][xc]&(number)) return 0; xc 375 modules/games/gui_sudoku.c for (xc = x/3 * 3; xc < x/3 * 3 + 3; xc++) xc 376 modules/games/gui_sudoku.c if (field[yc][xc]& number) return 0;