Returning null in c

Difference between returning null and array with zero elements. Please help. Microsoft SQL Server. Javascript XMLResponse returning null.

Mobile Development. Software Development. Remote Development and Debugging Tools. Adding a new footer. Nested class structure question. Undesired Name? Follow us! Get the Latest Bytes Updates. But if pointer size on a platform is 8 bytes, the output of the above program would be 8. Skip to content. Change Language. Related Articles. Table of Contents. Improve Article. Save Article. Like Article. The example of a is. Take a step-up from those "Hello World" programs.

Learn to implement data structures like Heap, Stacks, Linked List and many more! Check out our Data Structures in C course to start learning today. Next Function Pointer in C. However, NULL usually refers to a pointer value that is undefined and not an integer. In C, integer values are not references as they are in many interpreted languages.

They are scalar and can't be referred to implicitly with a pointer. Usually, C functions will return a -1 on an error. Since you are using the integer return for a value, that would mean that a valid value could never be It looks like you're handling a linked list and you want to limit the number of items to be checked.

A possible way around this might be Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams? Collectives on Stack Overflow. Learn more. Asked 5 years ago. Active 5 years ago. Viewed 4k times.