diff --git a/site-modules/core/files/emacs/init.el b/site-modules/core/files/emacs/init.el
index 68d5e25..e9578bd 100644
--- a/site-modules/core/files/emacs/init.el
+++ b/site-modules/core/files/emacs/init.el
@@ -55,6 +55,7 @@
 (load-file (expand-file-name "src/lang/cue.el" user-emacs-directory))
 (load-file (expand-file-name "src/lang/docker.el" user-emacs-directory))
 (load-file (expand-file-name "src/lang/shell.el" user-emacs-directory))
+(load-file (expand-file-name "src/lang/c.el" user-emacs-directory))
 
 (use-package general
   :config
diff --git a/site-modules/core/files/emacs/snippets/c++-mode/once b/site-modules/core/files/emacs/snippets/c++-mode/once
new file mode 100644
index 0000000..b982970
--- /dev/null
+++ b/site-modules/core/files/emacs/snippets/c++-mode/once
@@ -0,0 +1,11 @@
+# -*- mode: snippet -*-
+# name: #ifndef XXX; #define XXX; #endif
+# key: once
+# uuid: once
+# --
+#ifndef ${1:`(upcase (file-name-nondirectory (file-name-sans-extension (buffer-file-name))))`_H}
+#define $1
+
+$0
+
+#endif /* $1 */
\ No newline at end of file
diff --git a/site-modules/core/files/emacs/snippets/c-mode/once b/site-modules/core/files/emacs/snippets/c-mode/once
new file mode 100644
index 0000000..b982970
--- /dev/null
+++ b/site-modules/core/files/emacs/snippets/c-mode/once
@@ -0,0 +1,11 @@
+# -*- mode: snippet -*-
+# name: #ifndef XXX; #define XXX; #endif
+# key: once
+# uuid: once
+# --
+#ifndef ${1:`(upcase (file-name-nondirectory (file-name-sans-extension (buffer-file-name))))`_H}
+#define $1
+
+$0
+
+#endif /* $1 */
\ No newline at end of file
diff --git a/site-modules/core/files/emacs/src/lang/c.el b/site-modules/core/files/emacs/src/lang/c.el
new file mode 100644
index 0000000..aeb0202
--- /dev/null
+++ b/site-modules/core/files/emacs/src/lang/c.el
@@ -0,0 +1,11 @@
+;;; c.el --- AMACS -*- lexical-binding: t; -*-
+;;
+;; Copyright 2021 Practically.io All rights reserved
+;;
+;; Use of this source is governed by a BSD-style
+;; licence that can be found in the LICENCE file or at
+;; https://www.practically.io/copyright/
+
+(add-hook 'c-mode-hook 'lsp)
+(add-hook 'c++-mode-hook 'lsp)
+(use-package cmake-mode)