src/: Rename `udpsocket' and `nudp' (style)

[adns] / regress / hack-query-ids

#! /usr/bin/perl

@seq = sort { $a <=> $b } map { hex } @ARGV;

while (<STDIN>) {
  print;
  if (/^ (sendto fd=\d+|recvfrom=OK) addr=([0-9.]+|\[0-9a-f:]+\]).*:53/) {
    my $line = <STDIN>;
    if ($line !~ /^     ([0-9a-f]{4})(.*)$/s) {
      print $line;
      next;
    }
    my $qq = hex $1;
    for my $q (@seq) { $qq++ if $qq >= $q; }
    printf "     %04x%s", ($qq & 0xffff), $2;
  }
}