#define SO_RCVTIMEO 20
#define SO_SNDTIMEO 21
#define SO_ACCEPTCONN 30
+#define SO_PEERSEC 31
#define SO_SNDBUFFORCE 32
#define SO_RCVBUFFORCE 33
#define SO_PROTOCOL 38
#define SO_TIMESTAMP 29
#define SCM_TIMESTAMP SO_TIMESTAMP
-#define SO_PEERSEC 31
#define SO_PASSSEC 34
#define SO_TIMESTAMPNS 35
#define SCM_TIMESTAMPNS SO_TIMESTAMPNS
#define SO_COOKIE 57
#define SCM_TIMESTAMPING_PKTINFO 58
#define SO_PEERGROUPS 59
+#define SO_ZEROCOPY 60
#ifndef SOL_SOCKET
#define SOL_SOCKET 1
#define MSG_MORE 0x8000
#define MSG_WAITFORONE 0x10000
#define MSG_BATCH 0x40000
+#define MSG_ZEROCOPY 0x4000000
#define MSG_FASTOPEN 0x20000000
#define MSG_CMSG_CLOEXEC 0x40000000