What happens if I try to execute:

struct Employee employee $,$ "John Doe", $18\mathrm{.}50\}$;

printf$("\%$d

$",$ employee.hours$)$;

compilation error

output is whatever content is in the field of hours. It is just garbage data.

output is $0$

a runtime error occurs. No output.

A runtime error occurs. Output is whatever content is in the field of hours. It is just garbage data.