Look at those errors!

[striker]

--------------------Configuration: striker - Win32 Release--------------------
Compiling...
aimbot.cpp
apihook.cpp
E:\OGCtutorial\dll\apihook.cpp(88) : error C2106: '=' : left operand must be l-value
E:\OGCtutorial\dll\apihook.cpp(106) : error C2440: '=' : cannot convert from 'unsigned long' to 'unsigned long *'
Conversion from integral type to pointer type requires reinterpret_cast, C-style cast or function-style cast
E:\OGCtutorial\dll\apihook.cpp(224) : error C2440: '=' : cannot convert from 'unsigned long' to 'unsigned long *'
Conversion from integral type to pointer type requires reinterpret_cast, C-style cast or function-style cast
E:\OGCtutorial\dll\apihook.cpp(231) : error C2440: '=' : cannot convert from 'unsigned long' to 'unsigned long *'
Conversion from integral type to pointer type requires reinterpret_cast, C-style cast or function-style cast
attack.cpp
bind.cpp
calcscreen.cpp
client.cpp
color.cpp
console.cpp
cvar.cpp
GenericPatch.cpp
interpreter.cpp
main.cpp
mempatcher.cpp
menu.cpp
opengl.cpp
playeritems.cpp
RedirectFunction.cpp
sprites.cpp
stdafx.cpp
stringfinder.cpp
timehandling.cpp
Winamp.cpp
interface.cpp
parsemsg.cpp
Error executing cl.exe.

striker.dll - 4 error(s), 0 warning(s)

Could somebody tell me what´s this mean?

[greenball]

that you should post what you changed....
looks like you forgot some ;