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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Why is this loop always executing once?

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Define a structure to store roll no, name and marks of a student. Using the structure of above write a ‘C’ program to create a file “student.dat”. There must be one record for every student in the file. Accept the data from the user.

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What is calloc in c?

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Differentiate between declaring a variable and defining a variable?

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how many times of error occur in C

11 Answers  

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Why preprocessor should come before source code?

2 Answers  

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what is the mean of c languages.

1 Answers   Polaris,

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why we are using float in C

4 Answers  

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What is null pointer constant?

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what are enumerations in C

0 Answers   TCS,

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Can you please explain the difference between strcpy() and memcpy() function?

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