1 files changed, 21 insertions, 0 deletions
diff --git a/stack.h b/stack.h
new file mode 100644
index 0000000..7755d42
--- /dev/null
+++ b/stack.h
@@ -0,0 +1,21 @@
+#define STACK_H
+#ifdef STACK_H
+#include <stdbool.h>
+#include <stdlib.h>
+
+typedef struct stack {
+    void* *data;
+    int top;
+    size_t capacity;
+} stack;
+
+
+stack* new_stack(size_t size);
+
+void* peek(stack *s);
+void* pop(stack *s);
+void* push(stack* s, void* data);
+bool stack_is_empty(stack *s);
+void free_stack(stack *s);
+
+#endif