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icmp.h
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/*
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* Copyright (C) 2015 José Ignacio Alamos <jialamos@uc.cl>
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*/
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#ifndef NET_ICMP_H
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#define NET_ICMP_H
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#include "
byteorder.h
"
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#ifdef __cplusplus
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extern
"C"
{
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#endif
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typedef
struct
__attribute__((packed)){
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uint8_t
type
;
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uint8_t
code
;
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network_uint16_t
csum
;
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network_uint16_t
id
;
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network_uint16_t
sn
;
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}
icmp_echo_t
;
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#ifdef __cplusplus
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}
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#endif
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#endif
/* NET_ICMP_H */
byteorder.h
Functions to work with different byte orders.
icmp_echo_t
Echo request and response message format.
Definition
icmp.h:39
icmp_echo_t::type
uint8_t type
message type
Definition
icmp.h:40
icmp_echo_t::csum
network_uint16_t csum
checksum
Definition
icmp.h:42
icmp_echo_t::code
uint8_t code
message code
Definition
icmp.h:41
icmp_echo_t::sn
network_uint16_t sn
sequence number
Definition
icmp.h:44
icmp_echo_t::id
network_uint16_t id
identifier
Definition
icmp.h:43
be_uint16_t
A 16 bit integer in big endian aka network byte order.
Definition
byteorder.h:74
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