pub this_arg: *mut c_void,
/// Logs the `Record`
pub log: extern "C" fn (this_arg: *const c_void, record: *const std::os::raw::c_char),
pub this_arg: *mut c_void,
/// Logs the `Record`
pub log: extern "C" fn (this_arg: *const c_void, record: *const std::os::raw::c_char),