Symbol: sk_X509_EXTENSION_dup
lib/libcrypto/x509/x509_purp.c
363
if ((exts = sk_X509_EXTENSION_dup(x509->cert_info->extensions)) == NULL)
usr.sbin/rpki-client/cert.c
70
if ((exts = sk_X509_EXTENSION_dup(cexts)) == NULL)