LibSSH r1 (See the current copy)
Simple C API for SSH
I ported LibSSH v0.11 to Win32 with the intention of using it in BackupPCd. But I discovered that the server portion was incomplete, so I abandoned it. But I sent my changes to the author and it seems that many people have tried to use them.
http://www.rkeene.org/projects/libssh-win32/v0.11/libssh-0.11-win32-1.patch