Do you know the difference between exit() and _exit() function in c?

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How a string is stored in c?

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what is use of loop?

10 Answers   Infosys,

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What is the benefit of using #define to declare a constant?

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Explain enumerated types.

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Finding first/last occurrence of a character in a string without using strchr( ) /strrchr( ) function.

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What should malloc(0) do?

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write a program to rearrange the array such way that all even elements should come first and next come odd

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I heard that you have to include stdio.h before calling printf. Why?

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Find the O/p of the following 1) #include int main() { char c='1'; int j=atoi(c); }

4 Answers   Subex,

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Here is a good puzzle: how do you write a program which produces its own source code as output?

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Sir,please help me out with the code of this question. Write an interactive C program that will encode or decode multiple lines of text. Store the encoded text within a data file, so that it can be retrieved and decoded at any time. The program should include the following features: (a) Enter text from the keyboard, encode the text and store the encoded text in a data file. (b) Retrieve the encoded text and display it in its encoded form. (c) Retrieve the encoded text, decode it and then display the decoded text. (d) End the computation. Test the program using several lines of text of your choice.

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