[[HiC]TheKiller]

pawn Код:

stock SendClientMessageEx(playerid, Color, Message[], Interval)
{
  new Len = strlen(Message);
  while(strlen(Message) > Inverval)
  {
    new Str[256];
    strmid(Str, Message, 0, Interval);
    SendClientMessage(playerid, Color, Str);
    strdel(Message, 0, Interval);
  }
  if(strlen(Message) > 1) return SendClientMessage(player, Color, Message);
}

(Not tested). Change interval to 25 =].