+ /* Open file streams for communicating with the server. */
+ exit_err(access(path_server_in, F_OK), "No server input file found.");
+ world.file_server_in = try_fopen(path_server_in, "a", f_name);
+ set_cleanup_flag(CLEANUP_SERVER_IN);
+ world.file_server_out = try_fopen(path_server_out, "r", f_name);
+ set_cleanup_flag(CLEANUP_SERVER_OUT);
+