#[unsafe(no_mangle)]pub unsafe extern "C" fn gmtime(timer: *const time_t) -> *mut tmExpand description
See https://pubs.opengroup.org/onlinepubs/9799919799/functions/gmtime.html.
ยงSafety
The caller is required to ensure that:
timeris a valid pointer- the function has exclusive access to the static
tmstructure it returns. This includes avoiding simultaneous calls to this function as well as tolocaltime().