What are header files and what are its uses in C programming?


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More C Interview Questions

What is the difference b/w Structure & Array?

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What does the error 'Null Pointer Assignment' mean and what causes this error?

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What is a keyword?

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main() { int a = 65; printf(“%d %o %x”,a,a,a); } Output 65 101 41 Please explain me.How it is coming like that?

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What are the two types of functions in c?

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What is main () in c language?

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Can you please compare array with pointer?

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Can we declare variable anywhere in c?

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how to write optimum code to divide a 50 digit number with a 25 digit number??

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what are the advanced features of functions a) function declaration and prototypes b) calling functions by value or by reference c) recursion d) all the above

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There is a 100-story building and you are given two eggs. The eggs (and the building) have an interesting property that if you throw the egg from a floor number less than X, it will not break. And it will always brake if the floor number is equal or greater than X. Assuming that you can reuse the eggs which didn't broke; you got to find X in a minimal number of throws. Give an algorithm to find X in minimal number of throws.

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Explain how can I pad a string to a known length?

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