X509_STORE_CTX_get0_parent_ctx
X509_STORE_CTX_get0_parent_ctx(ctx) ? "[CRL path] " : "",
X509_STORE_CTX_get0_parent_ctx(ctx) != NULL
X509_STORE_CTX *X509_STORE_CTX_get0_parent_ctx(const X509_STORE_CTX *ctx);