typedef HINSTANCE (__stdcall *PFreeLibrary)( HINSTANCE );
以上是宣告function pointer type的範例,
PGetProcAddress是指到接受HMODULE, LPCSTR,產出FARPROC型態變數的變數指標
使用時
PGetProcAddress SomeFuncPtr;
SomeFuncPtr = AnotherFunc;
AnotherFunc的實做為
HINSTANCE AnotherFunc(HMODULE aa, LPCSTR bb) {...}
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