Crossfire aimbot soruce code

I get lots of build errors... here it is
Did i do something wrong? Need certain headers?

1>Compiling...
1>dllmain.cpp
1>.\dllmain.cpp(22) : error C4430: missing type specifier - int assumed. Note: C++ does not support default-int
1>.\dllmain.cpp(22) : error C2373: 'GetCameraObject' : redefinition; different type modifiers
1> .\dllmain.cpp(7) : see declaration of 'GetCameraObject'
1>.\dllmain.cpp(22) : error C2065: 'CShellBase' : undeclared identifier
1>.\dllmain.cpp(23) : error C4430: missing type specifier - int assumed. Note: C++ does not support default-int
1>.\dllmain.cpp(23) : error C2373: 'Get3rdPlayerInfoList' : redefinition; different type modifiers
1> .\dllmain.cpp(14) : see declaration of 'Get3rdPlayerInfoList'
1>.\dllmain.cpp(23) : error C2065: 'CShellBase' : undeclared identifier
1>.\dllmain.cpp(24) : error C4430: missing type specifier - int assumed. Note: C++ does not support default-int
1>.\dllmain.cpp(24) : error C2373: 'GetMeIdxInPlayerInfoList' : redefinition; different type modifiers
1> .\dllmain.cpp(11) : see declaration of 'GetMeIdxInPlayerInfoList'
1>.\dllmain.cpp(24) : error C2065: 'CShellBase' : undeclared identifier
1>.\dllmain.cpp(26) : error C2065: 'CShellBase' : undeclared identifier
1>.\dllmain.cpp(28) : error C4430: missing type specifier - int assumed. Note: C++ does not support default-int
1>.\dllmain.cpp(28) : error C2373: 'DrawEngineString' : redefinition; different type modifiers
1> .\dllmain.cpp(20) : see declaration of 'DrawEngineString'
1>.\dllmain.cpp(28) : error C2065: 'CShellBase' : undeclared identifier
1>.\dllmain.cpp(29) : error C2065: 'CShellBase' : undeclared identifier
1>.\dllmain.cpp(31) : error C4430: missing type specifier - int assumed. Note: C++ does not support default-int
1>.\dllmain.cpp(31) : error C2373: 'IsDeadState' : redefinition; different type modifiers
1> .\dllmain.cpp(17) : see declaration of 'IsDeadState'
1>.\dllmain.cpp(31) : error C2065: 'CShellBase' : undeclared identifier
1>.\dllmain.cpp(32) : error C2065: 'i' : undeclared identifier
1>.\dllmain.cpp(34) : error C4430: missing type specifier - int assumed. Note: C++ does not support default-int
1>.\dllmain.cpp(36) : error C2143: syntax error : missing ')' before '+'
1>.\dllmain.cpp(36) : error C2143: syntax error : missing ';' before '+'
1>.\dllmain.cpp(36) : error C4430: missing type specifier - int assumed. Note: C++ does not support default-int
1>.\dllmain.cpp(36) : error C2086: 'int ulCPlayerClnt' : redefinition
1> .\dllmain.cpp(34) : see declaration of 'ulCPlayerClnt'
1>.\dllmain.cpp(36) : error C2059: syntax error : ')'