[Xcb] Are there any naming conventions for XCB?

[Lucas]

I want to introduce one function (another one might be needed) to return 
a xcb_str_t pointer from an iterator because I could not find a function 
to do just that, but I have noticed a pattern in the names of the 
function, hence the question. Here is the function:

xcb_str_t *xcb_str_iterator_name(xcb_str_iterator_t *iterator)
{
     return iterator->data;
}