Blackjack Help!

Well i was making a blackjack game and i got this error

Code:

Linking... Blackjack.obj : error LNK2019: unresolved external symbol "void __cdecl whoWins(int,int)" (?whoWins@@YAXHH@Z) referenced in function _main Blackjack.obj : error LNK2019: unresolved external symbol "void __cdecl announceResult(bool,int)" (?announceResult@@YAX_NH@Z) referenced in function _main Blackjack.obj : error LNK2019: unresolved external symbol "void __cdecl announceHand(int)" (?announceHand@@YAXH@Z) referenced in function "int __cdecl drawAndAddCardToHand(int,bool &)" (?drawAndAddCardToHand@@YAHHAA_N@Z) Blackjack.obj : error LNK2019: unresolved external symbol "void __cdecl announceCard(int)" (?announceCard@@YAXH@Z) referenced in function "int __cdecl drawAndAddCardToHand(int,bool &)" (?drawAndAddCardToHand@@YAHHAA_N@Z) C:\Documents and Settings\user\Desktop\Blackjack\Debug\Blackjack.exe : fatal error LNK1120: 4 unresolved externals Build log was saved at "file://c:\Documents and Settings\user\Desktop\Blackjack\Blackjack\Debug\BuildLog.htm" Blackjack - 5 error(s), 0 warning(s)

Any help would be great!
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