#define UNIX_PATH_MAX 108
#endif
-struct hostent *get_host_info(char *);
+#include <netdb.h> /* hostent */
+int get_host_info(char *host, struct hostent **ret);
int get_socket(void);
void init_sockaddr(struct sockaddr_in*, int, const struct hostent*);
int para_connect(int, struct sockaddr_in *);