void setservent(int);
void endservent(void);
#endif
-# if defined(__DECC) && defined(__DECC_VER) && (__DECC_VER >= 50200000)
+# if defined(__DECC) && defined(__DECC_VER) && (__DECC_VER >= 50200000) && !defined(Sock_size_t)
# define Sock_size_t unsigned int
# endif