WBSD_FCARD_PRESENT
if (!(host->flags & WBSD_FCARD_PRESENT)) {
host->flags |= WBSD_FCARD_PRESENT;
} else if (host->flags & WBSD_FCARD_PRESENT) {
host->flags &= ~WBSD_FCARD_PRESENT;
host->flags |= WBSD_FCARD_PRESENT;
host->flags &= ~WBSD_FCARD_PRESENT;
if (!(host->flags & WBSD_FCARD_PRESENT)) {