rename unix.tcp to unix.stream, unix.udp to unix.dgram

test/unixdgramclnt.lua

@@ -1,7 +1,7 @@
 socket = require"socket"
 socket.unix = require"socket.unix"
-c = assert(socket.unix.udp())
-c:bind("/tmp/bar")
+c = assert(socket.unix.dgram())
+print(c:bind("/tmp/bar"))
 while 1 do
     local l = io.read("*l")
     assert(c:sendto(l, "/tmp/foo"))

test/unixdgramsrvr.lua

@@ -1,6 +1,6 @@
     socket = require"socket"
     socket.unix = require"socket.unix"
-    u = assert(socket.unix.udp())
+    u = assert(socket.unix.dgram())
     assert(u:bind("/tmp/foo"))
     while 1 do
 		x, r = assert(u:receivefrom())

test/unixstreamclnt.lua

@@ -1,6 +1,6 @@
 socket = require"socket"
 socket.unix = require"socket.unix"
-c = assert(socket.unix.tcp())
+c = assert(socket.unix.stream())
 assert(c:connect("/tmp/foo"))
 while 1 do
     local l = io.read()

test/unixstreamsrvr.lua

@@ -1,6 +1,6 @@
     socket = require"socket"
     socket.unix = require"socket.unix"
-    u = assert(socket.unix.tcp())
+    u = assert(socket.unix.stream())
     assert(u:bind("/tmp/foo"))
     assert(u:listen())
     c = assert(u:accept())