$OpenBSD: patch-runtime_syntax_c_vim,v 1.5 2013/10/04 08:44:04 sthen Exp $
--- runtime/syntax/c.vim.orig	Fri Sep 20 19:13:53 2013
+++ runtime/syntax/c.vim	Sat Sep 21 23:43:48 2013
@@ -238,6 +238,7 @@ if !exists("c_no_c99") " ISO C99
   syn keyword	cType		_Bool bool _Complex complex _Imaginary imaginary
   syn keyword	cType		int8_t int16_t int32_t int64_t
   syn keyword	cType		uint8_t uint16_t uint32_t uint64_t
+  syn keyword	cType		u_int8_t u_int16_t u_int32_t u_int64_t
   syn keyword	cType		int_least8_t int_least16_t int_least32_t int_least64_t
   syn keyword	cType		uint_least8_t uint_least16_t uint_least32_t uint_least64_t
   syn keyword	cType		int_fast8_t int_fast16_t int_fast32_t int_fast64_t
