MS Lan Manager for DOS supports TCP/IP

The instalation disks can be found as part of the NT server instalation CD.

If you're using DJGPP. There is a TCP/IP library that uses WinSock. You can find it at
www.delorie.com/djgpp/

and look in the "files in other places" link

When you say DOS, do you mean DOS or do you mean you are coding a console application under Windows? If this is the case then you can use Winsock.

I've had the same problem too, but you might try libnet, a protable network programming library for DJGPP, which can be found at http://www.canvaslink.com/libnet/
It has TCP/IP support with Winsock under dos, and it also should have TCP/IP support under plain DOS, but the home page is rather confusing about that.

I just posted this question in the mailbag:

I am making a MUD-like game that you play through a terminal program that displays 3D VGA graphics.. the term communicates with the server via direct modem connection, and on an IPX network.

I would like to see it playable on the internet. I have downloaded numerous texts and it appears that I have to choose from the many not-exactly-standard TCP/IP programming interfaces. or write my own, which I'm not too keen on. I am working in DOS, so I can't just use WINSOCK. it looks like I have to pick something like WATTCP or something? not sure.

graciously donate your expertise?

Well one problem is that i dont know of any libraries for dos that will work if a person has winsock 2.0+ instaled. I think libsocket was working on this problem though.