#ifndef _XT_CT_H#define _XT_CT_H#define XT_CT_NOTRACK 0x1structxt_ct_target_info{u_int16_tflags;u_int16_tzone;u_int32_tct_events;u_int32_texp_events;charhelper[16];/* Used internally by the kernel */structnf_conn*ct__attribute__((aligned(8)));};#endif /* _XT_CT_H */