- printf("foo_receive_cb %zu: ", len); fwrite(data, 1, len, stdout); printf("\n");
- if(len == 5 && !memcmp(data, "Hello", 5))
+ (void)mesh;
+ (void)channel;
+
+ printf("foo_receive_cb %zu: ", len);
+ fwrite(data, 1, len, stdout);
+ printf("\n");
+
+ if(len == 5 && !memcmp(data, "Hello", 5)) {