[337] | 1 | #ifndef _NETINET_IP_H
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| 2 | #define _NETINET_IP_H
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| 3 |
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| 4 | #ifdef __cplusplus
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| 5 | extern "C" {
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| 6 | #endif
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| 7 |
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| 8 | #include <stdint.h>
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| 9 | #include <netinet/in.h>
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| 10 | #include <endian.h>
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| 11 |
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| 12 | struct timestamp {
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| 13 | uint8_t len;
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| 14 | uint8_t ptr;
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| 15 | #if __BYTE_ORDER == __LITTLE_ENDIAN
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| 16 | unsigned int flags:4;
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| 17 | unsigned int overflow:4;
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| 18 | #else
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| 19 | unsigned int overflow:4;
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| 20 | unsigned int flags:4;
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| 21 | #endif
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| 22 | uint32_t data[9];
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| 23 | };
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| 24 |
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| 25 | struct iphdr {
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| 26 | #if __BYTE_ORDER == __LITTLE_ENDIAN
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| 27 | unsigned int ihl:4;
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| 28 | unsigned int version:4;
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| 29 | #else
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| 30 | unsigned int version:4;
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| 31 | unsigned int ihl:4;
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| 32 | #endif
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| 33 | uint8_t tos;
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| 34 | uint16_t tot_len;
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| 35 | uint16_t id;
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| 36 | uint16_t frag_off;
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| 37 | uint8_t ttl;
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| 38 | uint8_t protocol;
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| 39 | uint16_t check;
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| 40 | uint32_t saddr;
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| 41 | uint32_t daddr;
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| 42 | };
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| 43 |
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| 44 | struct ip {
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| 45 | #if __BYTE_ORDER == __LITTLE_ENDIAN
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| 46 | unsigned int ip_hl:4;
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| 47 | unsigned int ip_v:4;
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| 48 | #else
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| 49 | unsigned int ip_v:4;
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| 50 | unsigned int ip_hl:4;
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| 51 | #endif
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| 52 | uint8_t ip_tos;
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| 53 | uint16_t ip_len;
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| 54 | uint16_t ip_id;
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| 55 | uint16_t ip_off;
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| 56 | uint8_t ip_ttl;
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| 57 | uint8_t ip_p;
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| 58 | uint16_t ip_sum;
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| 59 | struct in_addr ip_src, ip_dst;
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| 60 | };
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| 61 |
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| 62 | #define IP_RF 0x8000
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| 63 | #define IP_DF 0x4000
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| 64 | #define IP_MF 0x2000
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| 65 | #define IP_OFFMASK 0x1fff
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| 66 |
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| 67 | struct ip_timestamp {
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| 68 | uint8_t ipt_code;
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| 69 | uint8_t ipt_len;
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| 70 | uint8_t ipt_ptr;
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| 71 | #if __BYTE_ORDER == __LITTLE_ENDIAN
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| 72 | unsigned int ipt_flg:4;
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| 73 | unsigned int ipt_oflw:4;
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| 74 | #else
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| 75 | unsigned int ipt_oflw:4;
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| 76 | unsigned int ipt_flg:4;
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| 77 | #endif
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| 78 | uint32_t data[9];
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| 79 | };
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| 80 |
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| 81 | #define IPVERSION 4
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| 82 | #define IP_MAXPACKET 65535
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| 83 |
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| 84 | #define IPTOS_ECN_MASK 0x03
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| 85 | #define IPTOS_ECN(x) ((x) & IPTOS_ECN_MASK)
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| 86 | #define IPTOS_ECN_NOT_ECT 0x00
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| 87 | #define IPTOS_ECN_ECT1 0x01
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| 88 | #define IPTOS_ECN_ECT0 0x02
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| 89 | #define IPTOS_ECN_CE 0x03
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| 90 |
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| 91 | #define IPTOS_DSCP_MASK 0xfc
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| 92 | #define IPTOS_DSCP(x) ((x) & IPTOS_DSCP_MASK)
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| 93 | #define IPTOS_DSCP_AF11 0x28
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| 94 | #define IPTOS_DSCP_AF12 0x30
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| 95 | #define IPTOS_DSCP_AF13 0x38
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| 96 | #define IPTOS_DSCP_AF21 0x48
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| 97 | #define IPTOS_DSCP_AF22 0x50
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| 98 | #define IPTOS_DSCP_AF23 0x58
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| 99 | #define IPTOS_DSCP_AF31 0x68
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| 100 | #define IPTOS_DSCP_AF32 0x70
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| 101 | #define IPTOS_DSCP_AF33 0x78
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| 102 | #define IPTOS_DSCP_AF41 0x88
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| 103 | #define IPTOS_DSCP_AF42 0x90
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| 104 | #define IPTOS_DSCP_AF43 0x98
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| 105 | #define IPTOS_DSCP_EF 0xb8
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| 106 |
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| 107 | #define IPTOS_CLASS_MASK 0xe0
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| 108 | #define IPTOS_CLASS(x) ((x) & IPTOS_CLASS_MASK)
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| 109 | #define IPTOS_CLASS_CS0 0x00
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| 110 | #define IPTOS_CLASS_CS1 0x20
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| 111 | #define IPTOS_CLASS_CS2 0x40
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| 112 | #define IPTOS_CLASS_CS3 0x60
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| 113 | #define IPTOS_CLASS_CS4 0x80
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| 114 | #define IPTOS_CLASS_CS5 0xa0
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| 115 | #define IPTOS_CLASS_CS6 0xc0
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| 116 | #define IPTOS_CLASS_CS7 0xe0
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| 117 | #define IPTOS_CLASS_DEFAULT IPTOS_CLASS_CS0
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| 118 |
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| 119 | #define IPTOS_TOS_MASK 0x1E
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| 120 | #define IPTOS_TOS(tos) ((tos) & IPTOS_TOS_MASK)
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| 121 | #define IPTOS_LOWDELAY 0x10
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| 122 | #define IPTOS_THROUGHPUT 0x08
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| 123 | #define IPTOS_RELIABILITY 0x04
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| 124 | #define IPTOS_LOWCOST 0x02
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| 125 | #define IPTOS_MINCOST IPTOS_LOWCOST
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| 126 |
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| 127 | #define IPTOS_PREC_MASK 0xe0
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| 128 | #define IPTOS_PREC(tos) ((tos) & IPTOS_PREC_MASK)
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| 129 | #define IPTOS_PREC_NETCONTROL 0xe0
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| 130 | #define IPTOS_PREC_INTERNETCONTROL 0xc0
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| 131 | #define IPTOS_PREC_CRITIC_ECP 0xa0
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| 132 | #define IPTOS_PREC_FLASHOVERRIDE 0x80
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| 133 | #define IPTOS_PREC_FLASH 0x60
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| 134 | #define IPTOS_PREC_IMMEDIATE 0x40
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| 135 | #define IPTOS_PREC_PRIORITY 0x20
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| 136 | #define IPTOS_PREC_ROUTINE 0x00
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| 137 |
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| 138 | #define IPOPT_COPY 0x80
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| 139 | #define IPOPT_CLASS_MASK 0x60
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| 140 | #define IPOPT_NUMBER_MASK 0x1f
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| 141 |
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| 142 | #define IPOPT_COPIED(o) ((o) & IPOPT_COPY)
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| 143 | #define IPOPT_CLASS(o) ((o) & IPOPT_CLASS_MASK)
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| 144 | #define IPOPT_NUMBER(o) ((o) & IPOPT_NUMBER_MASK)
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| 145 |
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| 146 | #define IPOPT_CONTROL 0x00
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| 147 | #define IPOPT_RESERVED1 0x20
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| 148 | #define IPOPT_DEBMEAS 0x40
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| 149 | #define IPOPT_MEASUREMENT IPOPT_DEBMEAS
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| 150 | #define IPOPT_RESERVED2 0x60
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| 151 |
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| 152 | #define IPOPT_EOL 0
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| 153 | #define IPOPT_END IPOPT_EOL
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| 154 | #define IPOPT_NOP 1
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| 155 | #define IPOPT_NOOP IPOPT_NOP
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| 156 |
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| 157 | #define IPOPT_RR 7
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| 158 | #define IPOPT_TS 68
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| 159 | #define IPOPT_TIMESTAMP IPOPT_TS
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| 160 | #define IPOPT_SECURITY 130
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| 161 | #define IPOPT_SEC IPOPT_SECURITY
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| 162 | #define IPOPT_LSRR 131
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| 163 | #define IPOPT_SATID 136
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| 164 | #define IPOPT_SID IPOPT_SATID
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| 165 | #define IPOPT_SSRR 137
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| 166 | #define IPOPT_RA 148
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| 167 |
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| 168 | #define IPOPT_OPTVAL 0
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| 169 | #define IPOPT_OLEN 1
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| 170 | #define IPOPT_OFFSET 2
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| 171 | #define IPOPT_MINOFF 4
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| 172 |
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| 173 | #define MAX_IPOPTLEN 40
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| 174 |
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| 175 | #define IPOPT_TS_TSONLY 0
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| 176 | #define IPOPT_TS_TSANDADDR 1
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| 177 | #define IPOPT_TS_PRESPEC 3
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| 178 |
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| 179 | #define IPOPT_SECUR_UNCLASS 0x0000
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| 180 | #define IPOPT_SECUR_CONFID 0xf135
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| 181 | #define IPOPT_SECUR_EFTO 0x789a
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| 182 | #define IPOPT_SECUR_MMMM 0xbc4d
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| 183 | #define IPOPT_SECUR_RESTR 0xaf13
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| 184 | #define IPOPT_SECUR_SECRET 0xd788
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| 185 | #define IPOPT_SECUR_TOPSECRET 0x6bc5
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| 186 |
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| 187 | #define MAXTTL 255
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| 188 | #define IPDEFTTL 64
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| 189 | #define IPFRAGTTL 60
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| 190 | #define IPTTLDEC 1
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| 191 |
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| 192 | #define IP_MSS 576
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| 193 |
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| 194 | #ifdef __cplusplus
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| 195 | }
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| 196 | #endif
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| 197 |
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| 198 | #endif
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