disk_open
EXTERN disk_t * disk_open PROTO((char *));
dd = disk_open(*argv);
EXTERN disk_t * disk_open PROTO((char *));
{ "disk", disk_strategy, disk_open, disk_close, disk_ioctl },
{ "disk", disk_strategy, disk_open, disk_close, disk_ioctl },
int disk_open(struct open_file *, ...);
{ "disk", disk_strategy, disk_open, disk_close, disk_ioctl },