1 files changed, 20 insertions, 0 deletions
diff --git a/rushs/evalexpr/heap/heap.h b/rushs/evalexpr/heap/heap.h
new file mode 100644
index 0000000..085f436
--- /dev/null
+++ b/rushs/evalexpr/heap/heap.h
@@ -0,0 +1,20 @@
+#ifndef HEAP_H
+#define HEAP_H
+
+// size_t
+#include <stddef.h>
+
+struct heap
+{
+    size_t size;
+    size_t capacity;
+    int *array;
+};
+
+struct heap *create_heap(void);
+void add(struct heap *heap, int val);
+int pop(struct heap *heap);
+void delete_heap(struct heap *heap);
+void print_heap(const struct heap *heap);
+
+#endif /* !HEAP_H */