fix

main.cpp

@@ -21,10 +21,10 @@ void inbound(int raw, int tun) {
     while ((nread = recvfrom(raw, buf, sizeof(buf), 0, (sockaddr *) &addr, &addrlen)) >= 0) {
         std::cout << nread << std::endl;
         if (write(tun, buf, nread) < 0) {
-            perror("outbound write");
+            perror("inbound write");
         }
     }
-    perror("outbound read");
+    perror("inbound read");
 }
 
 // tun -> internet
@@ -35,10 +35,10 @@ void outbound(int raw, int tun) {
     size_t nread;
     while ((nread = read(tun, buf, sizeof(buf))) >= 0) {
         if (sendto(raw, buf, nread, 0, (sockaddr *) &addr, sizeof(addr)) < 0) {
-            perror("inbound write");
+            perror("outbound write");
         }
     }
-    perror("inbound read");
+    perror("outbound read");
 }
 
 int main(int argc, char *argv[]) {