sparc_vme_intr_handle
struct sparc_vme_intr_handle *next;
struct sparc_vme_intr_handle *ihp = (vme_intr_handle_t)arg;
struct sparc_vme_intr_handle *ihp = (vme_intr_handle_t)arg;
struct sparc_vme_intr_handle *ih;
struct sparc_vme_intr_handle *svih =
(struct sparc_vme_intr_handle *)vih;