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int tmpFlag = _CRTDBG_DELAY_FREE_MEM_DF | _CRTDBG_ALLOC_MEM_DF;
_CrtSetDbgFlag( tmpFlag );
_CrtMemState oldState,newState,diff;
_CrtMemCheckpoint(&oldState);
int*p=(int*)malloc(10);
p[0]=22;
_CrtMemCheckpoint(&newState);
printf("%d\n",_CrtMemDifference(&diff,&oldState,&newState));
free(p);