Cygwin program (sshpass) produces no output when used in Windows command prompt

The reason that this does not work is due to an incompatibility in stdin/stdout redirection between cygwin and native Win32 programs but there is a wrapper program called cygnative which solves the problem. It allows the desired command-line to be used like this:

C:> cygnative sshpass -p password ssh -o StrictHostKeyChecking=no user@host ls

(this works for non-interactive commands but not for interactive terminal sessions)

The original author's links to cygnative.exe are dead, but it is available as C source in this gist or as source and executable in this zip.

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I discovered this solution when trying to solve another problem, this time trying to use rsync over PuTTY's plink program. I was getting an error:

Unable to read from standard input: The parameter is incorrect.

which led me to discover cygnative, but tracking it down was difficult due to the original links being dead.

The problem is described here and presents the solution, cygnative, here, with an updated version 1.2 here.