dwarf_dieoffset
ret = dwarf_dieoffset(die, offsetp, &derr);
(void) dwarf_dieoffset(die, &off, &derr);
dwarf_dieoffset(sibling,&sib_off,&error);
res = dwarf_dieoffset(die,&loff,error);
dres = dwarf_dieoffset(cur_die,&cur_off,error);
int dwarf_dieoffset(Dwarf_Die /*die*/,