1 files changed, 16 insertions, 0 deletions
diff --git a/src/01/06/min_stack.h b/src/01/06/min_stack.h
new file mode 100644
index 0000000..567b0a4
--- /dev/null
+++ b/src/01/06/min_stack.h
@@ -0,0 +1,16 @@
+struct node {
+  int data;
+  struct node *next;
+};
+
+typedef struct node Node;
+
+typedef struct {
+  Node *head;
+} Stack;
+
+Stack *initialize();
+void push(Stack *self, int data);
+int pop(Stack *self);
+int size(Stack *self);
+int min(Stack *self);