-#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)
+#define OPTION_TLS BIT(0)
+#define OPTION_IGNQ BIT(1)
+#define OPTION_PRDR BIT(2)
+#define OPTION_UTF8 BIT(3)
+#define OPTION_DSN BIT(4)
+#define OPTION_PIPE BIT(5)
+#define OPTION_SIZE BIT(6)
+#define OPTION_CHUNKING BIT(7)
+
+/* Argument for *_getc */
+
+#define GETC_BUFFER_UNLIMITED UINT_MAX
+
+/* UTF-8 chars for line-drawing */
+
+#define UTF8_DOWN_RIGHT "\xE2\x94\x8c"
+#define UTF8_HORIZ "\xE2\x94\x80"
+#define UTF8_VERT_RIGHT "\xE2\x94\x9C"
+#define UTF8_UP_RIGHT "\xE2\x94\x94"
+#define UTF8_VERT_2DASH "\xE2\x95\x8E"
+