#define TCMD:%1(%2,%3) forward tcmd_%1(%2,%3); public tcmd_%1(%2,%3)
#define isnull(%1) ((!(%1[0])) || (((%1[0]) == '\1') && (!(%1[1]))))
public OnPlayerCommandText(playerid, cmdtext[])
{
    new pos, tkstring[150];
    while (cmdtext[pos] != ' ' && pos != -1)
    {
        if (!cmdtext[pos]) { pos = -1;  break; }
        tolower(cmdtext[pos]);
        tkstring[pos+4] = cmdtext[pos];
        pos++;
    }
    tkstring[0] = 't',  tkstring[1] = 'c',  tkstring[2] = 'm',  tkstring[3] = 'd',  tkstring[4] = '_';
    if(pos == -1) return CallLocalFunction(tkstring, "ds", playerid, "\1");
    return CallLocalFunction(tkstring, "ds", playerid, cmdtext[pos+1]);
}