#define DC11ADDR 0174100 struct dcaddr { int dcrcsr; int dcrbuf; int dctscr; int dctbuf; }; struct clist { int c_cc; int c_cf; int c_cl; }; struct { struct clist t_inq; int t_state; int t_flags; int t_speeds; struct dcaddr *t_addr; int *outbuf; char *nxtc; char *lastc; int time_left; } dc11h;