T_exdata_req
struct T_exdata_req exd_req;
struct T_exdata_req exd_req;
if (((struct T_exdata_req *)mp->b_rptr)->PRIM_type ==
struct T_exdata_req *data_req;
bp = allocb(sizeof (struct T_exdata_req), BPRI_MED);
data_req = (struct T_exdata_req *)bp->b_rptr;
bp->b_wptr += sizeof (struct T_exdata_req);
if (msz < sizeof (struct T_exdata_req)) {
#define TEXDATAREQSZ sizeof (struct T_exdata_req)
struct T_exdata_req exdata_req; /* expedited data req */