1 files changed, 19 insertions, 0 deletions

diff --git a/stack.h b/stack.h
new file mode 100644
index 0000000..e6c6415
--- /dev/null
+++ b/stack.h
@@ -0,0 +1,19 @@
+#ifndef STACK_H
+#define STACK_H
+
+struct stack
+{
+	int max_size;
+	int top;
+	int *items;
+};
+
+struct stack *new_stack(int capacity);
+
+void stack_push(struct stack *pt, int x);
+
+int stack_peek(struct stack *pt);
+
+int stack_pop(struct stack *pt);
+
+#endif
\ No newline at end of file