id_t
typedef __id_t id_t; /* may contain pid, uid or gid */
int server_acl_find(id_t, int);
void server_acl_allow(id_t, int);
void server_acl_deny(id_t, int);
void server_acl_allow_write(id_t, int);
void server_acl_deny_write(id_t, int);