What is a NULL pointer in C? What happens when you dereference a NULL pointer?

What is a NULL pointer in C? What happens when you dereference a NULL pointer?

题目类型: 技术面试题

这是一道技术面试题，常见于澳洲IT公司面试中。

难度: easy

标签: interviewbit, c, topic-specific, systems

参考答案摘要

A NULL pointer is a pointer that does not point to any valid memory location. It is typically defined as: #define NULL ((void*)0) When a pointer is assigned NULL, it explicitly indicates that it is no...

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