src/main.c: add echo functionality

1 files changed, 3 insertions, 2 deletions

diff --git a/src/main.c b/src/main.c
index 33139b6..38aec51 100644
--- a/src/main.c
+++ b/src/main.c
@@ -32,8 +32,9 @@ int main() {
       perror("could not accept connection");
       return 1;
     }
-    const char *buf = "Hello from telnet!\n";
-    write(conn, buf, strlen(buf));
+    char buf[1024];
+    ssize_t n = read(conn, buf, sizeof(buf));
+    write(conn, buf, n);
     close(conn);
   }
   return 0;