COF_CHDR
if ((coargs->flags & COF_CHDR) && !(coargs->flags & COF_ADDR)) {
coargs->flags &= ~COF_CHDR;
coargs->flags |= (COF_THDR | COF_CHDR);
coargs->flags |= (COF_LHDR | COF_CHDR);
coargs.flags |= COF_THDR | COF_LHDR | COF_CHDR;
coargs.flags |= COF_CHDR;