memset (&sa_in, 0, sizeof (sa_in));
s = socket (AF_INET, SOCK_STREAM, 0);
- if (s < 0)
+ if (s == -1)
return -1;
if (setsockopt (s, SOL_SOCKET, SO_REUSEADDR, &reuse, sizeof reuse) != 0)
}
fd = setupsocket ();
- if (fd < 0)
+ if (fd == -1)
{
fprintf (stderr, "%s: problem setting up the connection: %s\n",
progname, strerror (errno));