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Know anybody something about hooking __userpurge type of functions?
I hooking successfully __thiscall, __stdcall, __cdecl, __usercall.
How to hook this type of functions using translation to __stdcall or __cdecl?
Function who i must hook at first is:
int __userpurge func<eax>(int a1<ecx>, char a2<dil>, int a3, int a4)
According to the IDA Pro documentation,
__userpurgeis the same as__usercall, except the callee cleans up the stack. Do as suggested in your previous question (How to hook __usercall, __userpurge (__spoils) functions?), and leave stack cleanup to your callee.