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#ifndef NESSUS_TCP_H__
#define NESSUS_TCP_H__
#ifdef HAVE_NETINET_TCP_H
#include <netinet/tcp.h>
#endif
#ifdef _CYGWIN_
#define tcp_seq u_int
#endif
#if !defined(HAVE_STRUCT_TCPHDR) || (HAVE_STRUCT_TCPHDR == 0)
#undef HAVE_TCPHDR_TH_X2_OFF
#undef HAVE_TCPHDR_TH_OFF
#define HAVE_TCPHDR_TH_OFF 1
#define HAVE_STRUCT_TCPHDR 1
struct tcphdr {
u_short th_sport; /* source port */
u_short th_dport; /* destination port */
tcp_seq th_seq; /* sequence number */
tcp_seq th_ack; /* acknowledgement number */
#if !WORDS_BIGENDIAN
u_int th_x2:4, /* (unused) */
th_off:4; /* data offset */
#endif
#if WORDS_BIGENDIAN
u_int th_off:4, /* data offset */
th_x2:4; /* (unused) */
#endif
u_char th_flags;
u_short th_win; /* window */
u_short th_sum; /* checksum */
u_short th_urp; /* urgent pointer */
};
#endif
#ifndef TH_FIN
#define TH_FIN 0x01
#endif
#ifndef TH_SYN
#define TH_SYN 0x02
#endif
#ifndef TH_RST
#define TH_RST 0x04
#endif
#ifndef TH_PUSH
#define TH_PUSH 0x08
#endif
#ifndef TH_ACK
#define TH_ACK 0x10
#endif
#ifndef TH_URG
#define TH_URG 0x20
#endif
#ifndef TH_FLAGS
#define TH_FLAGS (TH_FIN|TH_SYN|TH_RST|TH_ACK|TH_URG)
#endif
#endif
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