[Medal Of Honor team]

This is the error I get

pawn Код:

F:\Documents and Settings\Mehtab\My Documents\Downloads\MEDAL OF HONOR\filterscripts\clan.pwn(168) : error 017: undefined symbol "SendClientMessageToClan"
F:\Documents and Settings\Mehtab\My Documents\Downloads\MEDAL OF HONOR\filterscripts\clan.pwn(170) : error 017: undefined symbol "SetClanJoinID"
F:\Documents and Settings\Mehtab\My Documents\Downloads\MEDAL OF HONOR\filterscripts\clan.pwn(177) : error 017: undefined symbol "SendClientMessageToClan"
F:\Documents and Settings\Mehtab\My Documents\Downloads\MEDAL OF HONOR\filterscripts\clan.pwn(185) : error 012: invalid function call, not a valid address
F:\Documents and Settings\Mehtab\My Documents\Downloads\MEDAL OF HONOR\filterscripts\clan.pwn(185) : warning 215: expression has no effect
F:\Documents and Settings\Mehtab\My Documents\Downloads\MEDAL OF HONOR\filterscripts\clan.pwn(185) : error 001: expected token: ";", but found ")"
F:\Documents and Settings\Mehtab\My Documents\Downloads\MEDAL OF HONOR\filterscripts\clan.pwn(185) : error 029: invalid expression, assumed zero
F:\Documents and Settings\Mehtab\My Documents\Downloads\MEDAL OF HONOR\filterscripts\clan.pwn(185) : fatal error 107: too many error messages on one line

These are the error lines:

pawn Код:

168 SendClientMessageToClan(CLANTEXT,string,cid);
170 clanjoin[playerid] = SetClanJoinID(cid);
177 SendClientMessageToClan(CLANTEXT,string,cid);
185 if(ClanLeader(playerclan[playerid]) != playerid) return SendClientMessage(playerid,ORANGE,"only the clan leader may invite people");

Please help me ASAP