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type
Picmphdr = ^icmphdr;
icmphdr = record
_type : u_int8_t;
code : u_int8_t;
checksum : u_int16_t;
un : record
case longint of
0 : ( echo : record
id : u_int16_t;
sequence : u_int16_t;
end );
1 : ( gateway : u_int32_t );
2 : ( frag : record
__unused : u_int16_t;
mtu : u_int16_t;
end );
end;
end;
const
ICMP_ECHOREPLY = 0;
ICMP_DEST_UNREACH = 3;
ICMP_SOURCE_QUENCH = 4;
ICMP_REDIRECT = 5;
ICMP_ECHO = 8;
ICMP_TIME_EXCEEDED = 11;
ICMP_PARAMETERPROB = 12;
ICMP_TIMESTAMP = 13;
ICMP_TIMESTAMPREPLY = 14;
ICMP_INFO_REQUEST = 15;
ICMP_INFO_REPLY = 16;
ICMP_ADDRESS = 17;
ICMP_ADDRESSREPLY = 18;
NR_ICMP_TYPES = 18;
ICMP_NET_UNREACH = 0;
ICMP_HOST_UNREACH = 1;
ICMP_PROT_UNREACH = 2;
ICMP_PORT_UNREACH = 3;
ICMP_FRAG_NEEDED = 4;
ICMP_SR_FAILED = 5;
ICMP_NET_UNKNOWN = 6;
ICMP_HOST_UNKNOWN = 7;
ICMP_HOST_ISOLATED = 8;
ICMP_NET_ANO = 9;
ICMP_HOST_ANO = 10;
ICMP_NET_UNR_TOS = 11;
ICMP_HOST_UNR_TOS = 12;
ICMP_PKT_FILTERED = 13;
ICMP_PREC_VIOLATION = 14;
ICMP_PREC_CUTOFF = 15;
NR_ICMP_UNREACH = 15;
ICMP_REDIR_NET = 0;
ICMP_REDIR_HOST = 1;
ICMP_REDIR_NETTOS = 2;
ICMP_REDIR_HOSTTOS = 3;
ICMP_EXC_TTL = 0;
ICMP_EXC_FRAGTIME = 1;
type
Picmp_ra_addr = ^icmp_ra_addr;
icmp_ra_addr = record
ira_addr : u_int32_t;
ira_preference : u_int32_t;
end;
Picmp = ^icmp;
icmp = record
icmp_type : u_int8_t;
icmp_code : u_int8_t;
icmp_cksum : u_int16_t;
icmp_hun : record
case longint of
0 : ( ih_pptr : u_char );
1 : ( ih_gwaddr : in_addr );
2 : ( ih_idseq : record
icd_id : u_int16_t;
icd_seq : u_int16_t;
end );
3 : ( ih_void : u_int32_t );
4 : ( ih_pmtu : record
ipm_void : u_int16_t;
ipm_nextmtu : u_int16_t;
end );
5 : ( ih_rtradv : record
irt_num_addrs : u_int8_t;
irt_wpa : u_int8_t;
irt_lifetime : u_int16_t;
end );
end;
icmp_dun : record
case longint of
0 : ( id_ts : record
its_otime : u_int32_t;
its_rtime : u_int32_t;
its_ttime : u_int32_t;
end );
1 : ( id_ip : record
idi_ip : ip;
end );
2 : ( id_radv : icmp_ra_addr );
3 : ( id_mask : u_int32_t );
4 : ( id_data : array[0..0] of u_int8_t );
end;
end;
const
ICMP_MINLEN = 8;
ICMP_TSLEN = 8 + (3 * (sizeof(n_time)));
ICMP_MASKLEN = 12;
ICMP_ADVLENMIN = (8 + SizeOf(ip)+8);
const
ICMP_UNREACH = 3;
ICMP_SOURCEQUENCH = 4;
ICMP_ROUTERADVERT = 9;
ICMP_ROUTERSOLICIT = 10;
ICMP_TIMXCEED = 11;
ICMP_PARAMPROB = 12;
ICMP_TSTAMP = 13;
ICMP_TSTAMPREPLY = 14;
ICMP_IREQ = 15;
ICMP_IREQREPLY = 16;
ICMP_MASKREQ = 17;
ICMP_MASKREPLY = 18;
ICMP_MAXTYPE = 18;
ICMP_UNREACH_NET = 0;
ICMP_UNREACH_HOST = 1;
ICMP_UNREACH_PROTOCOL = 2;
ICMP_UNREACH_PORT = 3;
ICMP_UNREACH_NEEDFRAG = 4;
ICMP_UNREACH_SRCFAIL = 5;
ICMP_UNREACH_NET_UNKNOWN = 6;
ICMP_UNREACH_HOST_UNKNOWN = 7;
ICMP_UNREACH_ISOLATED = 8;
ICMP_UNREACH_NET_PROHIB = 9;
ICMP_UNREACH_HOST_PROHIB = 10;
ICMP_UNREACH_TOSNET = 11;
ICMP_UNREACH_TOSHOST = 12;
ICMP_UNREACH_FILTER_PROHIB = 13;
ICMP_UNREACH_HOST_PRECEDENCE = 14;
ICMP_UNREACH_PRECEDENCE_CUTOFF = 15;
ICMP_REDIRECT_NET = 0;
ICMP_REDIRECT_HOST = 1;
ICMP_REDIRECT_TOSNET = 2;
ICMP_REDIRECT_TOSHOST = 3;
ICMP_TIMXCEED_INTRANS = 0;
ICMP_TIMXCEED_REASS = 1;
ICMP_PARAMPROB_OPTABSENT = 1;
function ICMP_ADVLEN(const p: icmp): cardinal;
Function ICMP_INFOTYPE(_type: cardinal): boolean;
{ ---------------------------------------------------------------------
Borland compatibility types
---------------------------------------------------------------------}
// Type
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