cegparamesh

Try this program and see the output. [code] int main() { int y; int x; scanf("%d", &x ); printf("Address of x : %X, value : %d" ); return 0; } [/code]<< moderator edit: fixed [url=http://www.daniweb.com/techtalkforums/misc.php?do=bbcode#code][inlinecode][co[u][/u]de][/co[u][/u]de][/inlinecode][/url] tags >> I think the allocation starts from a specific location and every next allocation …

Why do you want to allocate such big memory?

Such big code does not help. Pinpoint the place where you get the error message. You probably missed initialisation of an object so that it is null. If you call the object members, then null reference exception will occur.. Regards, :) Paramesh.