From 18cf7959144f059d9a03d7758c45a7f0a3ec2a0c Mon Sep 17 00:00:00 2001
From: Murilo Soares Pereira <murilo.soares3@gmail.com>
Date: Fri, 9 Apr 2010 00:49:17 -0300
Subject: [PATCH] Added function to move cards between stacks.

---
 lib/stack.c | 9 +++++++++
 lib/stack.h | 1 +
 2 files changed, 10 insertions(+)

diff --git a/lib/stack.c b/lib/stack.c
index 21fa5d8..e712ac9 100644
--- a/lib/stack.c
+++ b/lib/stack.c
@@ -73,3 +73,12 @@ struct stack *pop(struct stack **stack) {
 
   return(popped_entry);
 }
+
+void move_card(struct stack **origin, struct stack **destination) {
+  struct stack *stack = NULL;
+
+  stack = pop(origin);
+  push(destination, stack->card);
+
+  return;
+}
diff --git a/lib/stack.h b/lib/stack.h
index 2f3a79b..7c6e212 100644
--- a/lib/stack.h
+++ b/lib/stack.h
@@ -15,5 +15,6 @@ bool empty(struct stack *);
 int length(struct stack *);
 void push(struct stack **, struct card *);
 struct stack *pop(struct stack **);
+void move_card(struct stack **, struct stack **);
 
 #endif