$OpenBSD: patch-runtime_syntax_c_vim,v 1.6 2015/04/10 12:25:46 sthen Exp $
--- runtime/syntax/c.vim.orig	Thu Apr  9 21:08:22 2015
+++ runtime/syntax/c.vim	Thu Apr  9 23:41:51 2015
@@ -248,6 +248,7 @@ 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
