1 files changed, 15 insertions, 0 deletions
diff --git a/stack.h b/stack.h
new file mode 100644
index 0000000..2c062f5
--- /dev/null
+++ b/stack.h
@@ -0,0 +1,15 @@
+#ifndef STACK_H
+#define STACK_H
+
+struct stack {
+	size_t len;
+	size_t cap;
+	void **items;
+};
+
+void stack_alloc(struct stack *st);
+void *pop(struct stack *st);
+void push(struct stack *st, void *item);
+void stack_free(struct stack *st);
+
+#endif /* STACK_H */