-#if HAVE_NETDB_H && HAVE_SYS_SOCKET_H && HAVE_NETINET_IN_H && HAVE_NETINET_TCP_H
-# include <netdb.h>
-# include <sys/socket.h>
-# include <netinet/in.h>
-# include <netinet/tcp.h>
-# define MBMON_HAVE_READ 1
-#else
-# define MBMON_HAVE_READ 0
-#endif