diff --git a/includes/hex/core.pat b/includes/hex/core.pat
new file mode 100644
index 0000000..988d38c
--- /dev/null
+++ b/includes/hex/core.pat
@@ -0,0 +1,29 @@
+#pragma once
+
+#include <hex/impl/imhex_check.pat>
+
+namespace hex::core {
+
+    struct Selection {
+        bool valid;
+        u64 address, size;
+    };
+
+    fn get_selection() {
+        u128 result = builtin::hex::core::get_selection();
+
+        Selection result;
+        if (result == u128(-1)) {
+            result.valid    = false;
+            result.address  = 0x00;
+            result.size     = 0x00;
+        } else {
+            result.valid    = true;
+            result.address  = result >> 64;
+            result.size     = result & u64(-1);
+        }
+
+        return result;
+    };
+
+}
\ No newline at end of file
diff --git a/includes/hex/http.pat b/includes/hex/http.pat
new file mode 100644
index 0000000..e99cd31
--- /dev/null
+++ b/includes/hex/http.pat
@@ -0,0 +1,11 @@
+#pragma once
+
+#include <hex/impl/imhex_check.pat>
+
+namespace hex::http {
+
+    fn get(str url) {
+        return builtin::hex::http::get(url);
+    };
+
+}
\ No newline at end of file
diff --git a/includes/hex/impl/imhex_check.pat b/includes/hex/impl/imhex_check.pat
new file mode 100644
index 0000000..6ed3c88
--- /dev/null
+++ b/includes/hex/impl/imhex_check.pat
@@ -0,0 +1,3 @@
+#ifndef __IMHEX__
+    #error This library is only available in the ImHex Hex editor
+#endif
\ No newline at end of file
diff --git a/includes/std/http.pat b/includes/std/http.pat
deleted file mode 100644
index fdeb323..0000000
--- a/includes/std/http.pat
+++ /dev/null
@@ -1,9 +0,0 @@
-#pragma once
-
-namespace std::http {
-
-    fn get(str url) {
-        return builtin::std::http::get(url);
-    };
-
-}
\ No newline at end of file