curl (7.27.0-1), even curl --version, does not work

[Regid Ichira]

$ cygcheck -c curl
Cygwin Package Information
Package              Version        Status
curl                 7.27.0-1       OK

$ cygcheck -c libcurl4
Cygwin Package Information
Package              Version        Status
libcurl4             7.27.0-1       OK

curl --version is supposed to only print version information.
$ curl.exe --version
$ printf "$?\n"
127

I tried to strace it.
$ strace.exe /usr/bin/curl.exe -V

There was a popup window.  Its translated message was:
curl.exe - system error
{no entry point found} could not locate the entry point memrchr of
the process in the dynamic linked library cygwin1.dll

--- Process 3544, exception C0000139 at 7C9B73BE
--- Process 3544, exception C0000139 at 7C9B73BE



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