1 files changed, 71 insertions, 0 deletions
diff --git a/system/include/libc/netinet/tcp.h b/system/include/libc/netinet/tcp.h
new file mode 100644
index 00000000..8266f21d
--- /dev/null
+++ b/system/include/libc/netinet/tcp.h
@@ -0,0 +1,71 @@
+#ifndef _NETINET_TCP_H
+#define _NETINET_TCP_H
+
+#include <features.h>
+
+#define TCP_NODELAY 1
+#define TCP_MAXSEG	 2
+#define TCP_CORK	 3
+#define TCP_KEEPIDLE	 4
+#define TCP_KEEPINTVL	 5
+#define TCP_KEEPCNT	 6
+#define TCP_SYNCNT	 7
+#define TCP_LINGER2	 8
+#define TCP_DEFER_ACCEPT 9
+#define TCP_WINDOW_CLAMP 10
+#define TCP_INFO	 11
+#define	TCP_QUICKACK	 12
+#define TCP_CONGESTION	 13
+#define TCP_MD5SIG	 14
+#define TCP_THIN_LINEAR_TIMEOUTS 16
+#define TCP_THIN_DUPACK  17
+#define TCP_USER_TIMEOUT 18
+#define TCP_REPAIR       19
+#define TCP_REPAIR_QUEUE 20
+#define TCP_QUEUE_SEQ    21
+#define TCP_REPAIR_OPTIONS 22
+#define TCP_FASTOPEN     23
+#define TCP_TIMESTAMP    24
+
+#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
+#define SOL_TCP 6
+#include <sys/types.h>
+#include <sys/socket.h>
+#endif
+
+#ifdef _GNU_SOURCE
+#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