search for: __guest_handle_name

Hi all, I have recently started to go through xen source. I want to know the usage of XEN_GUEST_HANDLE. I see thats its just a macro which will prefix each data type with __guest_handle_ . And DEFINE_XEN_GUEST_HANDLE(name) will just typedefs ''__guest_handle_name'' to be a pointer to a data type ''name '' . What is the reason for such abstraction? And how this XEN_GUEST_HANDLE different from ''guest_xc'' field of ''struct xc_dom_image'', which gets initialized with xc_handle. I have serached the...