Thanks to a patch form Tor Arntsen I have got a good start. My
question is that I need to use libssh2_sftp_read() and
libssh2_sftp_write() instead of read() and write() to send data over
the network. I don't see how to tell the curl system to used these
functions. What am I missing?

Jim

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Fortune Not Found:
Abort, Retry, Ignore?