The name of the remote file on the FTP server.
The name of the local file to create.
If 0, overwrites local if it exists. With any other value, the function fails if the local file already exists. Default is 0.
Additional flags affecting the behavior of the function. None by default.
A number to identify this operation if it is asynchronous.
GetStatusCallback for more information
on asynchronous operations. None by default.