__int64 __fastcall PiUEventEstimateRequiredClientBufferSize(__int64 a1){
unsigned __int64 v1;
__int64 result;
v1 = 4160i64 * *(unsigned int *)(a1 + 128);
result = 0xFFFFFFFFi64;
if( v1 <= 0xFFFFFFFF )
return(unsigned int)v1;
return result;
}