- setpgrp 0, 0 or croak "setpgrp(0, 0): $!";
- close $rdr or croak "close(\$rdr): $!";
- open STDERR, '>&', $wtr or croak "open(STDERR, '>&', \$wtr): $!";
+ setpgrp 0, 0 or die "setpgrp(0, 0): $!";
+ close $ordr or die "close(\$ordr): $!";
+ open STDOUT, '>&=', $owtr or die "open(STDOUT, '>&=', \$owtr): $!";
+ close $vrdr or die "close(\$vrdr): $!";
+ fcntl $vwtr, F_SETFD, 0 or die "fcntl(\$vwtr, F_SETFD, 0): $!";