disasm_addr
(void) disasm_addr(ph, (ulong_t)pstat.pr_lwp.pr_reg[R_PC], num_inst);
(void) disasm_addr(&proch, (ulong_t)$2, (int)$3);
(void) disasm_addr(&proch, (ulong_t)$2, 10);
extern retc_t disasm_addr(struct ps_prochandle *, ulong_t, int);