ext/socket/ancdata.c: defined in w32api/ws2tcpip.h on cygwin but cannot compile for some reason. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@21985 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
environment. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@21962 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
(Init_ancdata): ditto. * ext/socket/init.c (Init_socket_init): call Init_ancdata. * ext/socket/constants.c (cmsg_type_arg): defined. * ext/socket/depend: add dependency for ancdata.o. * ext/socket/mkconstants.rb: generate scm_optname_to_int. more constants. * ext/socket/extconf.rb: add ancdata.o. * ext/socket/ancdata.c: new file. new method BasicSocket#{sendmsg,sendmsg_nonblock,recvmsg,recvmsg_nonblock} git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@21943 b2dd03c8-39d4-4d8f-98ff-823fe69b080e