+/*
+ * These names are outdated as of OpenSSL 1.1; a future release
+ * will move them to be deprecated.
+ */
+# define BUF_strdup(s) OPENSSL_strdup(s)
+# define BUF_strndup(s, size) OPENSSL_strndup(s, size)
+# define BUF_memdup(data, size) OPENSSL_memdup(data, size)
+# define BUF_strlcpy(dst, src, size) OPENSSL_strlcpy(dst, src, size)
+# define BUF_strlcat(dst, src, size) OPENSSL_strlcat(dst, src, size)
+# define BUF_strnlen(str, maxlen) OPENSSL_strnlen(str, maxlen)
+