error 010: invalid function or declaration

C:\Users\LENOVO\Desktop\Trenom\gamemodes\TP.pwn(17 ) : error 010: invalid function or declaration
C:\Users\LENOVO\Desktop\Trenom\gamemodes\TP.pwn(21 ) : error 010: invalid function or declaration
C:\Users\LENOVO\Desktop\Trenom\gamemodes\TP.pwn(23 ) : error 010: invalid function or declaration

if (strcmp("/gotosf", cmdtext, true, 10) == 0)
{
SetPlayerPos(playerid, 1165.8445,-1255.5028,15.2013,197.4978);
SendClientMessage(playerid, 0xFFFFFF,"You got teleported to SF.");
return 1;
}
return 0;
}


whats the problem here?