121 static int state = 1, pathi = 0;  variable
515     pathi = 0;  in begin_solve_maze()
516     path[pathi].x = end_x;  in begin_solve_maze()
517     path[pathi].y = end_y;  in begin_solve_maze()
518     path[pathi].dir = -1;  in begin_solve_maze()
528         if (++path[pathi].dir >= 4) {  in solve_maze()
529             pathi--;  in solve_maze()
530 …draw_solid_square((int) (path[pathi].x), (int) (path[pathi].y), (int) (path[pathi].dir), hDC, hBru…  in solve_maze()
533         else if (!(maze[path[pathi].x][path[pathi].y] & (WALL_TOP >> path[pathi].dir)) &&  in solve_maze()
534             ((pathi == 0) || ((path[pathi].dir != (int) (path[pathi - 1].dir + 2) % 4)))) {  in solve_maze()
535             enter_square(pathi, hDC, hBrushLiving);  in solve_maze()
536             pathi++;  in solve_maze()
537             if (maze[path[pathi].x][path[pathi].y] & START_SQUARE) {  in solve_maze()