Create block comment for using include and forward declarations

cblock.sublime-snippet

<snippet>
	<content><![CDATA[
//------------------------------------------------------------------------------
// ${1:u}${1/(u)|(i)|(f)|.*/(?1:sing)(?2:nclude)(?3:orward declaration)/}s
//------------------------------------------------------------------------------
${3}
]]></content>
	<!-- Optional: Set a tabTrigger to define how to trigger the snippet -->
	<tabTrigger>cblock</tabTrigger>
	<!-- Optional: Set a scope to limit where the snippet will trigger -->
	<scope>source.c, source.objc, source.c++, source.objc++</scope>
</snippet>