1 files changed, 40 insertions, 0 deletions
diff --git a/dev/libMsg/MsgKit/Server.h b/dev/libMsg/MsgKit/Server.h
new file mode 100644
index 00000000..4fa73ccc
--- /dev/null
+++ b/dev/libMsg/MsgKit/Server.h
@@ -0,0 +1,40 @@
+/* -------------------------------------------
+
+  Copyright (C) 2025, Amlal El Mahrouss, all rights reserved.
+
+------------------------------------------- */
+
+#pragma once
+
+#ifdef __cplusplus
+#include <public/frameworks/CoreFoundation.fwrk/headers/String.h>
+#else
+#include <libSystem/SystemKit/System.h>
+#endif
+
+/// @author Amlal El Mahrouss
+/// @brief libMsg LISP system.
+
+struct LIBMSG_EXPR;
+
+/// @brief an expression chain of LibMSG.
+struct LIBMSG_EXPR final {
+#ifdef __cplusplus
+  CF::CFString* l_key{nullptr};
+  CF::CFString* l_value{nullptr};
+#else
+  VoidPtr l_key{nullptr};
+  VoidPtr l_value{nullptr};
+#endif
+
+  LIBMSG_EXPR* l_head{nullptr};
+  LIBMSG_EXPR* l_tail{nullptr};
+  LIBMSG_EXPR* l_child{nullptr};
+};
+
+/// @brief Function type for LibMSG lisp.
+typedef Void (*libmsg_func_t)(LIBMSG_EXPR* self, VoidPtr arg, SizeT arg_size);
+
+IMPORT_C Void   libmsg_init_library(libmsg_func_t* funcs, SizeT cnt);
+IMPORT_C UInt32 libmsg_close_library(Void);
+IMPORT_C UInt32 libmsg_eval_expr(struct LIBMSG_EXPR* head);