Pointer initialization null

Subscription removed. Sorry, you must verify to complete this action. Please click the verification link in your email. You may re-send via your profile. C R An initialization shall not appear if object-name is a dummy argument, a function result, an object in a named common block unless the type declaration is in a block data program unit, an object in blank common, an allocatable variable, or an automatic object.

In the second case, the compiler notices you are trying to SAVE a dummy argument, which is not allowed. But it should also reject the initialization.

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C Interview Tests New tests added every Week. Learn more. How to initialize a pointer to null [closed] Ask Question. Asked 7 years, 4 months ago. Active 7 years, 4 months ago. Viewed 6k times. Improve this question. Nikos Athanasiou. Nikos Athanasiou Nikos Athanasiou NULL must be nullptr or a zero-valued integer literal, to be convertible to any pointer type. Don't forget the naked literal zero: 0 , 0L , 0LL , 0u , 0ul and 0ull.

Show 9 more comments. Active Oldest Votes. With the standard changes, there might be a shift to nullptr.