$ 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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