Function ostree_sys::ostree_checksum_file_at

pub unsafe extern "C" fn ostree_checksum_file_at(
    dfd: c_int, 
    path: *const c_char, 
    stbuf: *mut stat, 
    objtype: OstreeObjectType, 
    flags: OstreeChecksumFlags, 
    out_checksum: *mut *mut c_char, 
    cancellable: *mut GCancellable, 
    error: *mut *mut GError
) -> gboolean