> Does anyone konw if Cygwin sockets actually work? Or > am I trying to compare my nonfunctional Mingwin with a > nonfunctional Cygwin implementation? I have no first-hand experience, but according to a poster on the MLton-user list, after enabling fork in Cygwin, he was able to get the echo regression (among others) to pass. http://www.mlton.org/pipermail/mlton-user/2004-July/000262.html