1 error: malformed `repr` attribute input
5 | ^^^^^^^ help: must be of the form: `#[repr(C)]`
7 error: malformed `repr` attribute input
11 | ^^^^^^^^^^^^^ help: must be of the form: `#[repr(C)]`
13 error: malformed `repr` attribute input
17 | ^^^^^^^^^^^^^ help: must be of the form: `#[repr(C)]`
19 error: aborting due to 3 previous errors