1 error[E0060]: this function takes at least 1 argument but 0 arguments were supplied
4 LL | fn printf(_: *const u8, ...) -> u32;
5 | ------------------------------------ defined here
7 LL | unsafe { printf(); }
8 | ^^^^^^-- supplied 0 arguments
10 | expected at least 1 argument
12 error: aborting due to previous error
14 For more information about this error, try `rustc --explain E0060`.