1 files changed, 11 insertions, 9 deletions
diff --git a/src/position_stack.h b/src/position_stack.h
index 82c1975..83fb98c 100644
--- a/src/position_stack.h
+++ b/src/position_stack.h
@@ -4,25 +4,27 @@
 #define STACK_ERR_OVERFLOW 0xFFF01
 #define STACK_ERR_UNDERFLOW 0xFFF02
 
-struct Position
+typedef struct Position
 {
 	int x;
 	int y;
-};
+} Position;
 
-struct PositionStack
+typedef struct PositionStack
 {
 	int capacity;
 	int top;
-	struct Position *items;
-};
+	Position *items;
+} PositionStack;
 
-struct PositionStack *create_pos_stack(int capacity);
+PositionStack *pos_stack_create(int capacity);
 
-void pos_stack_push(struct PositionStack *stack_pt, struct Position pos);
+void pos_stack_destroy(PositionStack *pos_stack);
 
-struct Position pos_stack_peek(struct PositionStack *stack_pt);
+void pos_stack_push(PositionStack *pos_stack, Position pos);
 
-struct Position pos_stack_pop(struct PositionStack *stack_pt);
+Position pos_stack_peek(PositionStack *pos_stack);
+
+Position pos_stack_pop(PositionStack *pos_stack);
 
 #endif