part_info
struct part_info dkpi;
struct part_info dkpi;
if ((ioctl(devfd, DKIOCPARTINFO, &part_info)) == 0) {
unix_base = (ulong_t)part_info.p_start;
unix_size = (uint_t)part_info.p_length;
struct part_info part_info;
struct part_info pi;
struct part_info p;