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-rw-r--r--include/netinet/tcp.h33
1 files changed, 33 insertions, 0 deletions
diff --git a/include/netinet/tcp.h b/include/netinet/tcp.h
index b7828a50..b8c79349 100644
--- a/include/netinet/tcp.h
+++ b/include/netinet/tcp.h
@@ -31,6 +31,39 @@
#define SOL_TCP 6
#include <sys/types.h>
#include <sys/socket.h>
+#include <endian.h>
+
+struct tcphdr
+{
+ u_int16_t source;
+ u_int16_t dest;
+ u_int32_t seq;
+ u_int32_t ack_seq;
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+ u_int16_t res1:4;
+ u_int16_t doff:4;
+ u_int16_t fin:1;
+ u_int16_t syn:1;
+ u_int16_t rst:1;
+ u_int16_t psh:1;
+ u_int16_t ack:1;
+ u_int16_t urg:1;
+ u_int16_t res2:2;
+#else
+ u_int16_t doff:4;
+ u_int16_t res1:4;
+ u_int16_t res2:2;
+ u_int16_t urg:1;
+ u_int16_t ack:1;
+ u_int16_t psh:1;
+ u_int16_t rst:1;
+ u_int16_t syn:1;
+ u_int16_t fin:1;
+#endif
+ u_int16_t window;
+ u_int16_t check;
+ u_int16_t urg_ptr;
+};
#endif
#endif