+/* Codes for ESMTP facilities offered by peer */
+
+#define PEER_OFFERED_TLS BIT(0)
+#define PEER_OFFERED_IGNQ BIT(1)
+#define PEER_OFFERED_PRDR BIT(2)
+#define PEER_OFFERED_UTF8 BIT(3)
+#define PEER_OFFERED_DSN BIT(4)
+#define PEER_OFFERED_PIPE BIT(5)
+#define PEER_OFFERED_SIZE BIT(6)
+#define PEER_OFFERED_CHUNKING BIT(7)
+
+/* Argument for *_getc */
+
+#define GETC_BUFFER_UNLIMITED UINT_MAX
+
+