int milliseconds_len = sizeof (int);
struct timeval tv;
size_t n;
- r = getsockopt (sock, level, optname, &milliseconds, &milliseconds_len);
+ r = getsockopt (sock, level, optname, (char *) &milliseconds,
+ &milliseconds_len);
tv.tv_sec = milliseconds / 1000;
tv.tv_usec = (milliseconds - 1000 * tv.tv_sec) * 1000;
n = sizeof (struct timeval);