#define ENETDOWN 46 /* Network is down */
#define EMSGSIZE 47 /* Message too long */
+#define ETIMEDOUT 48 /* Connection timed out */
+#define ECONNREFUSED 49 /* Connection refused */
+#define EHOSTUNREACH 50 /* No route to host */
+#define EHOSTDOWN 51 /* Host is down */
+#define ENETUNREACH 52 /* Network is unreachable */
+#define ENOTCONN 53 /* Transport endpoint is not connected */
+#define EINPROGRESS 54 /* Operation now in progress */
+#define ESHUTDOWN 55 /* Cannot send after transport endpoint shutdown */
+
/*
* ioctls for kernel internal operations start at 0x8000 and cannot be issued
* by userspace.