just add allocator instead of `_ksys_alloc`, `_ksys_free` and `_ksys_realloc`.

@@ -10,1 +5,3 @@
-        return NULL;
+    void* ptr = malloc(num * size);
+    if (ptr) {
+        memset(ptr, 0, num * size);

@@ -0,0 +136,4 @@
+    unsigned char* byte_ptr = (unsigned char*)ptr;
+    for (size_t i = 0; i < size; ++i) {
+        if (byte_ptr[i] != pattern) {
+            fprintf(stderr, "Error: Byte %zu does not match pattern. Expected %02X, got %02X\n",

@@ -5,3 +39,2 @@
-    return _ksys_alloc(size);
-}
+    char b[32];