DWORD dwUFunction, dwVoid1, dwVoid2;
DWORD dwJMPback = 0x101375A6; // you could aswell jump back at 0x101375A5
...

__declspec(naked) void _OurFunction()
{
    __asm
    {
        PUSH EDX //save the register

        MOV EDX, DWORD PTR [EBP]
        MOV dwUFunction, EDX

        MOV EDX, DWORD PTR [EBP + 0x4]
        MOV dwVoid1, EDX

        MOV EDX, DWORD PTR [EBP + 0x8]
        MOV dwVoid2, EDX

        POP EDX //restore the register

        // Do your hax stuff, etc.
        // but REMEBER TO PRESERVE THE STACK & REGISTERS !!!

        // WE HAVE TO EXECUTE THE OVERWRITTEN INSTRUCTIONS !!!!
        MOV DWORD PTR [EBP - 0x10], ESP
        MOV DWORD PTR [EBP - 0x14], ESI

        // now we can jump back ^^

        JMP [ dwJMPback ]


    }
}