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Practical C Programming

You're reading from   Practical C Programming Solutions for modern C developers to create efficient and well-structured programs

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Product type Paperback
Published in Feb 2020
Publisher Packt
ISBN-13 9781838641108
Length 616 pages
Edition 1st Edition
Languages
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Author (1):
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B. M. Harwani B. M. Harwani
Author Profile Icon B. M. Harwani
B. M. Harwani
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Toc

Table of Contents (20) Chapters Close

Preface 1. Working with Arrays 2. Managing Strings FREE CHAPTER 3. Exploring Functions 4. Preprocessing and Compilation 5. Deep Dive into Pointers 6. File Handling 7. Implementing Concurrency 8. Networking and Inter-Process Communication 9. Sorting and Searching 10. Working with Graphs 11. Advanced Data Structures and Algorithms 12. Creativity with Graphics 13. Using MySQL Database 14. General-Purpose Utilities 15. Improving the Performance of Your Code 16. Low-Level Programming 17. Embedded Software and IoT 18. Applying Security in Coding 19. Other Books You May Enjoy

File Handling

Data storage is a mandatory feature in all applications. When we enter any data while running a program, that data is stored as RAM, which means that it is temporary in nature. We will not get that data back when running the program the next time. But what if we want the data to stay there so we can refer to it again when we need it? In this case, we have to store the data.

Basically, we want our data to be stored and to be accessible and available for reuse whenever required. In C, data storage can be done through traditional file handling techniques and through the database system. The following are the two types of file handling available in C:

  • Sequential file handling: Data is written in a simple text format and can be read and written sequentially. To read the nth line, we have to first read n-1 lines.
  • Random file handling: Data is written as bytes and can...
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