What is the difference between NULL and NUL?

Question:What is the difference between NULL and NUL??

Answer: </I>NULL is a macro defined in &lt;stddef.h&gt; for the null pointer. NUL is the name of the first character in the ASCII character set. It corresponds to a zero value. There's no standard macro NUL in C, but some people like to define it. The digit 0 corresponds to a value of 80, decimal. Don't confuse the digit 0 with the value of '�' (NUL)! NULL can be defined as ((void*)0), NUL as '�'. &nbsp;

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