SCNdZIC
"%"SCNdZIC"%c%d%c%d%c%1d%*[0]%c%*[0123456789]%c",
if (sscanf(cp, "%"SCNdZIC"%c", &year, &xs) != 1) {
} else if (sscanf(cp, "%"SCNdZIC"%c", &rp->r_loyear, &xs) != 1) {
} else if (sscanf(cp, "%"SCNdZIC"%c", &rp->r_hiyear, &xs) != 1) {