diff --git a/mem/include/allocator/mem_allocator.h b/mem/include/allocator/mem_allocator.h
new file mode 100644
index 0000000..51ac8b2
--- /dev/null
+++ b/mem/include/allocator/mem_allocator.h
@@ -0,0 +1,31 @@
+#ifndef MEM_ALLOCATOR_H
+#define MEM_ALLOCATOR_H
+
+#include "aliases.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif // __cplusplus
+
+typedef void *(MemAllocFunc)(u64 size, void *alloc_obj);
+typedef void *(MemAllocAlignedFunc)(u64 size, u64 alignment, void *alloc_obj);
+typedef void *(MemReallocFunc)(void *ptr, u64 size, void *alloc_obj);
+typedef void *(MemReallocAlignedFunc)(void *ptr, u64 size, u64 alignment,
+                                      void *alloc_obj);
+typedef void(MemFreeFunc)(void *ptr, void *alloc_obj);
+
+typedef struct allocator Allocator;
+struct allocator {
+	void *obj;
+  MemAllocFunc *alloc;
+  MemAllocAlignedFunc *alloc_aligned;
+  MemReallocFunc *realloc;
+  MemReallocAlignedFunc *realloc_aligned;
+  MemFreeFunc *free;
+};
+
+#ifdef __cplusplus
+}
+#endif // __cplusplus
+
+#endif // !MEM_ALLOCATOR_H