Something

alias sendx {
  echo -a $hget(onchans,$2)
  var %a 1
  tokenize 32 $hget(onchans,$2)
  while (%a <= $0) {
    sockwrite -nt $hfind(users,$ [ $+ [ %a ] ] *,1,w).data $3-
    inc %a 1
  }
}