instr_size
if ((sz = instr_size(dhp, ins, i, size)) < 1)
sz = instr_size(dhp, ins, i, size);
if ((sz = instr_size(dhp, ins, i, size)) < 1)
sz = instr_size(dhp, ins, i, size);
if (!watchpage || (sz = instr_size(rp, &vaddr, rw)) <= 0)
extern int instr_size(struct regs *, caddr_t *, enum seg_rw);
extern int instr_size(struct regs *, caddr_t *, enum seg_rw);
(sz = instr_size(rp, &vaddr, rw)) <= 0)
(void) instr_size(rp, &addr, rw);
(void) instr_size(rp, &addr, rw);