added a function that calls commands by their id

src/main/c/Georg/tictactoe.c

@@ -51,6 +51,18 @@ struct command* createCommands(){
     return ptrCommands;
 }
 
+commandFunction getCommandById( struct command* commands, int id ){
+    commandFunction result = NULL;
+    size_t arraySize = sizeof(*commands) / sizeof(commands[0]);
+    for (size_t i = 0; i < arraySize; i++) {
+        if( commands[i].id == id ){
+            result = commands[i].fun;
+            break;
+        }
+    }
+    return result;
+}
+
 int startMenu(){
 
     return 1;