15.what is the disadvantage of using macros? 16.what is the self-referential structure? 17.can a union be self-referenced? 18.What is a pointer? 19.What is the Lvalue and Rvalue? 20.what is the difference between these initializations? 21.Char a[]=”string”; 22.Char *p=”literal”; 23.Does *p++ increment p, or what it points to?

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Explain the difference between fopen() and freopen().

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What is the purpose of Scanf Print, getchar, putchar, function?

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There is a practice in coding to keep some code blocks in comment symbols than delete it when debugging. How this affect when debugging?

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what is the format specifier for printing a pointer value?

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Explain what is meant by high-order and low-order bytes?

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write a program for fibonaci series by using while loop in c?

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if the address of a[1,1] and a[2,1] are 1000 and 1010 respectively and each occupies 2 bytes then the array has been stored in what order?

4 Answers   Amazon, Apple, Bata, Google, NASA,

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how to find out the biggest element (or any other operation) in an array which is dynamic. User need not to mention the array size while executing.

3 Answers  

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When can you use a pointer with a function?

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Explain the difference between ++u and u++?

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What is the difference between void main and main in c?

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