pub unsafe extern "C" fn asn1_traverse_sequence_of(
    p: *mut *mut c_uchar,
    end: *const c_uchar,
    tag_must_mask: c_uchar,
    tag_must_val: c_uchar,
    tag_may_mask: c_uchar,
    tag_may_val: c_uchar,
    cb: Option<unsafe extern "C" fn(ctx: *mut c_void, tag: c_int, start: *mut c_uchar, len: size_t) -> c_int>,
    ctx: *mut c_void
) -> c_int