This callback lets the application keep track of transfer progress. It is also called on idle with the easy interface and is a common way to make libcurl stop a transfer by returning error.
See the progress callback section for all the details.
This callback lets the application keep track of transfer progress. It is also called on idle with the easy interface and is a common way to make libcurl stop a transfer by returning error.
See the progress callback section for all the details.