d2i_PKEY_USAGE_PERIOD
LCRYPTO_USED(d2i_PKEY_USAGE_PERIOD);
LCRYPTO_ALIAS(d2i_PKEY_USAGE_PERIOD);
PKEY_USAGE_PERIOD *d2i_PKEY_USAGE_PERIOD(PKEY_USAGE_PERIOD **a, const unsigned char **in, long len);