#ifndef _IPT_AH_H#define _IPT_AH_Hstruct ipt_ah
{
u_int32_t spis[2];/* Security Parameter Index */
u_int8_t invflags;/* Inverse flags */};/* Values for "invflags" field in struct ipt_ah. */#define IPT_AH_INV_SPI 0x01/* Invert the sense of spi. */#define IPT_AH_INV_MASK 0x01/* All possible flags. */#endif/*_IPT_AH_H*/