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File Handling in C - (BCA / B.Tech)

File Handling in C:

File management in the C language is an important topic that provides a program with the ability to read and write data. Through file management, we can store data permanently, which can be accessed again later. File handling in C is easy to understand and uses special functions.

What is a File?

A file is a collection in which data is stored. This data can be in text, binary, or any other format. There are two types of files: Text Files and Binary Files.

Using Files in C:

To use files in C, we have to use some special functions and data structures. The main functions for file handling in C are `fopen()`, `fclose()`, `fprintf()`, `fscanf()`, etc.

Opening and Closing a File:

The `fopen()` function is used to open a file with a specific mode ("r", "w", "a", etc.). After the use of a file is finished, it is necessary to close it using the `fclose()` function.

The document provides a simple C program example that writes data to a file and then reads it back, explaining the function of each part of the code.

File Handling in C

File Handling in C:

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