move telnet_state_t to libtelnet.c as it is only used internally

libtelnet.c

@@ -35,7 +35,21 @@
 # define INLINE
 #endif
 
-/* telnet state */
+/* telnet state codes */
+enum telnet_state_t {
+	TELNET_STATE_DATA = 0,
+	TELNET_STATE_IAC,
+	TELNET_STATE_WILL,
+	TELNET_STATE_WONT,
+	TELNET_STATE_DO,
+	TELNET_STATE_DONT,
+	TELNET_STATE_SB,
+	TELNET_STATE_SB_DATA,
+	TELNET_STATE_SB_DATA_IAC
+};
+typedef enum telnet_state_t telnet_state_t;
+
+/* telnet state tracker */
 struct telnet_t {
 	/* user data */
 	void *ud;

libtelnet.h

@@ -118,20 +118,6 @@ typedef struct telnet_telopt_t telnet_telopt_t;
 
 #define TELNET_PFLAG_DEFLATE (1<<7)
 
-/* telnet states */
-enum telnet_state_t {
-	TELNET_STATE_DATA = 0,
-	TELNET_STATE_IAC,
-	TELNET_STATE_WILL,
-	TELNET_STATE_WONT,
-	TELNET_STATE_DO,
-	TELNET_STATE_DONT,
-	TELNET_STATE_SB,
-	TELNET_STATE_SB_DATA,
-	TELNET_STATE_SB_DATA_IAC
-};
-typedef enum telnet_state_t telnet_state_t;
-
 /* error codes */
 enum telnet_error_t {
 	TELNET_EOK = 0,