-
-#define SOCKS_NONE 0 /**< Don't use a SOCKS server */
-#define SOCKS_4 40 /**< original SOCKS 4 protocol */
-#define SOCKS_4A 41 /**< as modified for hosts w/o external DNS */
-#define SOCKS_5 50 /**< as modified for hosts w/o external DNS */
-
+enum forwarder_type {
+ SOCKS_NONE = 0, /**< Don't use a SOCKS server */
+ SOCKS_4 = 40, /**< original SOCKS 4 protocol */
+ SOCKS_4A = 41, /**< as modified for hosts w/o external DNS */
+ SOCKS_5 = 50, /**< as modified for hosts w/o external DNS */
+};