text: #ifndef _IPT_ADDRTYPE_H
  #define _IPT_ADDRTYPE_H
  
  enum {
  	IPT_ADDRTYPE_INVERT_SOURCE	= 0x0001,
  	IPT_ADDRTYPE_INVERT_DEST	= 0x0002,
  	IPT_ADDRTYPE_LIMIT_IFACE_IN	= 0x0004,
  	IPT_ADDRTYPE_LIMIT_IFACE_OUT	= 0x0008,
  };
  
  struct ipt_addrtype_info_v1 {
  	u_int16_t	source;		/* source-type mask */
  	u_int16_t	dest;		/* dest-type mask */
  	u_int32_t	flags;
  };
  
  /* revision 0 */
  struct ipt_addrtype_info {
  	u_int16_t	source;		/* source-type mask */
  	u_int16_t	dest;		/* dest-type mask */
  	u_int32_t	invert_source;
  	u_int32_t	invert_dest;
  };
  
  #endif
  