555           conn_t    *dconn;             /* Data connection */  member
576           if (io->cconn == NULL || io->dconn == NULL || io->dir == O_WRONLY) {  in ftp_readfn()
586           r = fetch_read(io->dconn, buf, len);  in ftp_readfn()
609           if (io->cconn == NULL || io->dconn == NULL || io->dir == O_RDONLY) {  in ftp_writefn()
617           w = fetch_write(io->dconn, buf, len);  in ftp_writefn()
644           if (io->cconn == NULL || io->dconn == NULL) {  in ftp_closefn()
648           fetch_close(io->dconn);  in ftp_closefn()
649           io->dconn = NULL;  in ftp_closefn()
658 ftp_setup(conn_t *cconn, conn_t *dconn, int mode)  in ftp_setup()  argument
663           if (cconn == NULL || dconn == NULL)  in ftp_setup()
668           io->dconn = dconn;  in ftp_setup()