tomoyo_task_acl
const struct tomoyo_task_acl *p1 = container_of(a, typeof(*p1), head);
const struct tomoyo_task_acl *p2 = container_of(b, typeof(*p2), head);
struct tomoyo_task_acl e = {
struct tomoyo_task_acl *ptr =
struct tomoyo_task_acl *entry =
const struct tomoyo_task_acl *acl = container_of(ptr, typeof(*acl),