typedef void (*zip_progress_callback_t)(double);
zip_register_progress_callback() is the obsolete version of zip_register_progress_callback_with_state(3).
function registers a callback function
progress_callback for the zip archive
archive. This function is called during
zip_close(3) after every zip archive
entry that's completely written to disk. The value is a
double in the range from 0.0 to 1.0. This can be used
to provide progress indicators for user interfaces.
zip_register_progress_callback() was added in libzip 1.2.0. It was deprecated in libzip 1.3.0, use