A maze!

// http://feliam.wordpress.com/2010/10/07/the-symbolic-maze/ ‎
// twitter.com/feliam
/*
 * It's a maze!
 * Use a,s,d,w to move "through" it.
 */

#include<string.h>
#include<stdio.h>
#include<stdlib.h>


/**
  * Maze hardcoded dimensions
  */
#define H 7
#define W 11
/**
  * Tha maze map
  */
char maze[H][W] = { "+-+---+---+",
                    "| |     |#|",
                    "| | --+ | |",
                    "| |   | | |",
                    "| +-- | | |",
                    "|     |   |",
                    "+-----+---+" };

/**
  * Draw the maze state in the screen!
  */
void draw ()
{
    int i, j;
    for (i = 0; i < H; i++)
      {
          for (j = 0; j < W; j++)
                  printf ("%c", maze[i][j]);
          printf ("\n");
      }
    printf ("\n");
}


/**
  * The main function
  */
int
main (int argc, char *argv[])
{
    int x, y;     //Player position
    int ox, oy;   //Old player position
    int i = 0;    //Iteration number
    #define ITERS 28
    char program[ITERS];

//Initial position
    x = 1;
    y = 1;
    maze[y][x]='X';

//Print some info
    printf ("Maze dimensions: %dx%d\n", W, H);
    printf ("Player pos: %dx%d\n", x, y);
    printf ("Iteration no. %d\n",i);
    printf ("Program the player moves with a sequence of 'w', 's', 'a' and 'd'\n");
    printf ("Try to reach the price(#)!\n");

//Draw the maze
    draw ();
//Read the directions 'program' to execute...
    read(0,program,ITERS);

//Iterate and run 'program'
    while(i < ITERS)
      {
          //Save old player position
          ox = x;
          oy = y;
          //Move polayer position depending on the actual command
          switch (program[i])
            {
            case 'w':
                y--;
                break;
            case 's':
                y++;
                break;
            case 'a':
                x--;
                break;
            case 'd':
                x++;
                break;
            default:
                printf("Wrong command!(only w,s,a,d accepted!)\n");
                printf("You loose!\n");
                exit(-1);
            }

          //If hit the price, You Win!!
          if (maze[y][x] == '#')
            {
                printf ("You win!\n");
                printf ("Your solution <%42s>\n",program);
                exit (1);
            }
          //If something is wrong do not advance
          if (maze[y][x] != ' '
              &&
              !((y == 2 && maze[y][x] == '|' && x > 0 && x < W)))
            {
                x = ox;
                y = oy;
            }

          //Print new maze state and info...
          printf ("Player pos: %dx%d\n", x, y);
          printf ("Iteration no. %d. Action: %c. %s\n",i,program[i], ((ox==x && oy==y)?"Blocked!":""));

          //If crashed to a wall! Exit, you loose
          if (ox==x && oy==y){
                printf("You loose\n");
                exit(-2);
          }
          //put the player on the maze...
          maze[y][x]='X';
          //draw it
          draw ();
          //increment iteration
          i++;
          //me wait to human
          sleep(1);
      }
//You couldn't make it! You loose!
printf("You loose\n");
}