Function ostree_sys::ostree_repo_create_at

pub unsafe extern "C" fn ostree_repo_create_at(
    dfd: c_int, 
    path: *const c_char, 
    mode: OstreeRepoMode, 
    options: *mut GVariant, 
    cancellable: *mut GCancellable, 
    error: *mut *mut GError
) -> *mut OstreeRepo

This is supported on crate feature v2017_10 only.