Dangling pointers in C


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What is Dangling Pointer in C?


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Ravinder Singh
Edited on : Thu, Dec 15, 2016
Tanul K Saxena
Posted on : Wed, Dec 14, 2016
Views : 201

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When a pointer points to a memory location, it holds the address of that memory location. If we de-allocate that memory without changing the address of the pointer to either null or some other valid location, then the pointer keeps pointing to the memory location which is no more in use. Such a pointer is known as a dangling pointer.

In C programming we can use free() function to de-allocate memory.
Ravinder Singh
Thu, Dec 15, 2016

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