opendisk
opendisk(const char *path, int flags, char *buf, size_t buflen, int iscooked)
opendisk(const char *path, int flags, char *buf, int buflen, int cooked)
#define opendisk(path, fl, buf, buflen, cooked) (-1)
opendisk(char *question, char *diskname, int len, char partition, int *fdp)
opendisk(device_t dv)