#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
#endif
+#ifndef container_of
#define container_of(ptr, type, member) ({ \
const typeof( ((type *)0)->member ) *__mptr = (ptr); \
(type *)( (char *)__mptr - offsetof(type,member) );})
+#endif
// timeouts if activating/deactivating response from mISDN got lost
#define B_TIMER_ACTIVATING 1 // seconds