Initial revision
diff --git a/Lib/plat-sunos4/SOCKET.py b/Lib/plat-sunos4/SOCKET.py
new file mode 100755
index 0000000..c1b8542
--- /dev/null
+++ b/Lib/plat-sunos4/SOCKET.py
@@ -0,0 +1,77 @@
+SOCK_STREAM = 1
+SOCK_DGRAM = 2
+SOCK_RAW = 3
+SOCK_RDM = 4
+SOCK_SEQPACKET = 5
+SO_DEBUG = 0x0001
+SO_ACCEPTCONN = 0x0002
+SO_REUSEADDR = 0x0004
+SO_KEEPALIVE = 0x0008
+SO_DONTROUTE = 0x0010
+SO_BROADCAST = 0x0020
+SO_USELOOPBACK = 0x0040
+SO_LINGER = 0x0080
+SO_OOBINLINE = 0x0100
+SO_DONTLINGER = (~SO_LINGER)
+SO_SNDBUF = 0x1001
+SO_RCVBUF = 0x1002
+SO_SNDLOWAT = 0x1003
+SO_RCVLOWAT = 0x1004
+SO_SNDTIMEO = 0x1005
+SO_RCVTIMEO = 0x1006
+SO_ERROR = 0x1007
+SO_TYPE = 0x1008
+SOL_SOCKET = 0xffff
+AF_UNSPEC = 0
+AF_UNIX = 1
+AF_INET = 2
+AF_IMPLINK = 3
+AF_PUP = 4
+AF_CHAOS = 5
+AF_NS = 6
+AF_NBS = 7
+AF_ECMA = 8
+AF_DATAKIT = 9
+AF_CCITT = 10
+AF_SNA = 11
+AF_DECnet = 12
+AF_DLI = 13
+AF_LAT = 14
+AF_HYLINK = 15
+AF_APPLETALK = 16
+AF_NIT = 17
+AF_802 = 18
+AF_OSI = 19
+AF_X25 = 20
+AF_OSINET = 21
+AF_GOSIP = 22
+AF_MAX = 21
+PF_UNSPEC = AF_UNSPEC
+PF_UNIX = AF_UNIX
+PF_INET = AF_INET
+PF_IMPLINK = AF_IMPLINK
+PF_PUP = AF_PUP
+PF_CHAOS = AF_CHAOS
+PF_NS = AF_NS
+PF_NBS = AF_NBS
+PF_ECMA = AF_ECMA
+PF_DATAKIT = AF_DATAKIT
+PF_CCITT = AF_CCITT
+PF_SNA = AF_SNA
+PF_DECnet = AF_DECnet
+PF_DLI = AF_DLI
+PF_LAT = AF_LAT
+PF_HYLINK = AF_HYLINK
+PF_APPLETALK = AF_APPLETALK
+PF_NIT = AF_NIT
+PF_802 = AF_802
+PF_OSI = AF_OSI
+PF_X25 = AF_X25
+PF_OSINET = AF_OSINET
+PF_GOSIP = AF_GOSIP
+PF_MAX = AF_MAX
+SOMAXCONN = 5
+MSG_OOB = 0x1
+MSG_PEEK = 0x2
+MSG_DONTROUTE = 0x4
+MSG_MAXIOVLEN = 16