CPER_SIG_SIZE
memcpy(rcd.hdr.signature, CPER_SIG_RECORD, CPER_SIG_SIZE);
memcpy(rcd->hdr.signature, CPER_SIG_RECORD, CPER_SIG_SIZE);
if (memcmp(record->signature, CPER_SIG_RECORD, CPER_SIG_SIZE))
memcpy(hdr->signature, CPER_SIG_RECORD, CPER_SIG_SIZE);
char signature[CPER_SIG_SIZE]; /* must be CPER_SIG_RECORD */