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Pointers in C Interview Questions & Answers

Below we have listed all the Pointers in C Interview Questions and answers. Feel free to comment on any Pointers in C Interview Questions or answer by the comment feature available on the page.

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Pointers in C Interview Questions & Answers

A pointer is a variable which contains the address in memory of another variable. We can have a pointer to any variable type. The unary or monadic operator & gives the ``address of a variable''. The indirection or dereference operator * gives the ``contents of an object pointed to by a pointer''. A pointer is a variable whose value is the address of another variable, i.e., direct address of the memory location. Like any variable or constant, you must declare a pointer before using it to store any variable address.

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Difference between arrays and pointers?
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What is the difference between far and near?
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When should a far pointer be used?
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What does it mean when a pointer is used in an if statement?
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When would you use a pointer to a function?
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What are the disadvantages of using Pointers.
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What do you mean by normalisation of pointers
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What is :- pointer , NULL pointer , dangling pointer , far pointer , near pointer , huge pointer , generic pointer , smart pointer ?
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Difference between :- 1) NULL pointer and NULL macro ?
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How I can add two numbers in c language without using Arithmetic operators?
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Why should we assign NULL to the elements (pointer) after freeing them?
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What is file pointer and its working method?
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Are pointers integers?
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What is a ?null pointer assignment? error? What are bus errors, memory faults, and core dumps?
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What is indirection?
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How many levels of pointers can you have?
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Is **p and &(*p) same?
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What is a null pointer?
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what is the difference between near pointer and far pointer?
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What is a null pointer ?
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