pub unsafe static mut lc_msg_logger: Option<unsafe extern "C" fn(arg1: *mut lc_channel_t, arg2: *mut lc_message_t, logdb: *mut c_void) -> c_int>pub unsafe static mut lc_msg_logger: Option<unsafe extern "C" fn(arg1: *mut lc_channel_t, arg2: *mut lc_message_t, logdb: *mut c_void) -> c_int>