Function safe_app::ffi::logging::app_output_log_path

#[no_mangle]
pub unsafe extern "C" fn app_output_log_path(
    output_file_name: *const c_char, 
    user_data: *mut c_void, 
    o_cb: extern "C" fn(_: *mut c_void, _: FfiResult, _: *const c_char)
)

This function should be called to find where log file will be created. It will additionally create an empty log file in the path in the deduced location and will return the file name along with complete path to it.

Callback parameters: user data, error code, log path