added initiate Field function

src/c/ticTacToe.c

@@ -23,4 +23,15 @@ void printField(char field[3][3]){
         }
         printf("\n");
     }
-}
+}
+
+char initField(){
+    char field[3][3] = 
+    {
+        {'-','-','-'},
+        {'-','-','-'},
+        {'-','-','-'}
+    };
+    return field;
+}
+

src/c/ticTacToe.h

@@ -4,5 +4,6 @@
 int something(int a);
 void printPrompt();
 void printField(char field[3][3]);
+char initField();
 
 #endif