xxclose
#define netclose xxclose
#define ctclose xxclose
#define rdclose xxclose
#define sdclose xxclose
{ "??", xxstrategy, xxopen, xxclose, noioctl }, /*1*/
{ "??", xxstrategy, xxopen, xxclose, noioctl }, /*3*/
{ "??", xxstrategy, xxopen, xxclose, noioctl }, /*5*/
#define netclose xxclose
#define sdclose xxclose
extern int xxclose(struct open_file *);