Multiplayer game made with Love and C

Gameplay:

To win the game the player must cross to other side of the grid,

If the player is on the top of the grid he must cross the grid and go to the bottom, and vise versa.
If the player is on the right onf the grid he must cross the grid and go to the left side, and vise versa.
Every player can add obstacles to block other players.
Its multiplayer game, so it can be player by 2 up to 4 players!

The game start with a grid NxM size, the grid can have default size 10x10 or custom size,
Now we can choose the number of the players 2 or 4
On the next step we decide is our grid (map) will have obstacles (blocks), obstacles depends on how many players are playing the game and also how big is the grid
Next we give the names to our players and we can see the game option that we choose
all done you are ready to play

Every player can move or put obstacles on the map, the players are playing clockwise
the player have 2 options
1. To move : the player can move to a square of the grid the player can go up-down-left-right only. To move the player he must put a letter and then a number of the grid for example e9
2. To put an obstacles : with that choice the player can put an obstacle to mess with other players and block their way, The player have 5 block (obstacles) to use in total. To put an obstacle on grid the player must give 2 coordinates, in this case he must put a letter first then a number and again letter and number (letter-number-letter-number) for example e5e6