hwt_backend_entry
struct hwt_backend_entry *entry;
struct hwt_backend_entry *entry;
entry = malloc(sizeof(struct hwt_backend_entry), M_HWT_BACKEND,
struct hwt_backend_entry *entry, *tmp;
LIST_ENTRY(hwt_backend_entry) next;
static LIST_HEAD(, hwt_backend_entry) hwt_backends;