syn clear cTodo
syn clear cType

" Custom keywords
"
syn keyword cStorageClass function export internal global_var thread_var local_persist
syn keyword cOperator     cast

" Type highlighting
"
" There are inconsistencies around this due to the horrific declaration syntax of C/C++ and
" trying to capture that inside a regexp statement is near impossible. These are made to mostly
" match the way I format my code.
"
syn match cType "\I\i*\ze\s\+\**\I\i*\s*[=;,\)\[]" " Regular declarations
syn match cType "\I\i*\ze\s\+\**\I\i*("            " Function return types

" Todo notes
"
syn match cTodo "@\I\i*\((\I\i*)\)\=:\?" contained
syn match cNote "\s:\I\i*"               contained

" Functions
"
syn match cFunction "\I\i*\ze("

" Contain clusters
"
syn cluster cCommentGroup add=cNote
syn cluster cPreProcGroup add=cFunc,cType

hi def link cFunction Function