-#define xEOF 236 /* End Of File */
-#define SE 240 /* Sub negotiation End */
-#define NOP 241 /* No OPeration */
-#define DM 242 /* Data Mark */
-#define GA 249 /* Go Ahead, reverse the line */
-#define SB 250 /* SuBnegotiation */
-#define WILL 251 /* Our side WILL use this option */
-#define WONT 252 /* Our side WON'T use this option */
-#define DO 253 /* DO use this option! */
-#define DONT 254 /* DON'T use this option! */
-#define IAC 255 /* Interpret As Command */
+#define CURL_xEOF 236 /* End Of File */
+#define CURL_SE 240 /* Sub negotiation End */
+#define CURL_NOP 241 /* No OPeration */
+#define CURL_DM 242 /* Data Mark */
+#define CURL_GA 249 /* Go Ahead, reverse the line */
+#define CURL_SB 250 /* SuBnegotiation */
+#define CURL_WILL 251 /* Our side WILL use this option */
+#define CURL_WONT 252 /* Our side WON'T use this option */
+#define CURL_DO 253 /* DO use this option! */
+#define CURL_DONT 254 /* DON'T use this option! */
+#define CURL_IAC 255 /* Interpret As Command */