CourseGenix

C Fundamentals

7 Units27 Lessons

Unit 1

C Functions

Introduction to C Functions

Real-World Project: Implementing a Basic Math Library

Passing Arguments to C Functions

Unit 2

Compound Data Types

Understanding Arrays in C

Working with Structures in C

Real-World Project: Creating a Student Database

Exploring Unions in C

Nested Structures and Arrays of Structures

Unit 3

Memory Management in C

Dynamic Memory Allocation Functions

Real-World Project: Dynamic Array Implementation

Basics of Pointers and Memory Allocation

Memory Management with Structures

Common Memory Errors and Debugging

Unit 4

File Handling

Opening and Closing Files in C

Reading Data from Files

Writing Data to Files

Real-World Project: Text File Processor

Unit 5

Error Handling

Basic Error Checking with Return Values

Using errno and perror for Errors

Signals and Custom Error Handlers

Real-World Project: Robust File Copy Utility

Unit 6

Miscellaneous C Concepts

Preprocessor Directives in C

Real-World Project: Configurable C Program

Typedef and Type Aliases

Unit 7

Advanced C

Bitwise Operations in C

Multi-File Programs and Linking

Real-World Project: Bitwise Encryption Tool

Unit 4•Chapter 2

Reading Data from Files

Summary

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What function reads a line from a file in C?

fgets function

fscanf function

fgets function

fread function

Why use double backslashes in file paths?

To escape backslash characters

To denote directories

For aesthetic reasons

To escape backslash characters

What is the buffer's role in file reading?

Manages file pointers

Holds one line of text

Holds one line of text

Stores entire file

What does fopen return if file is missing?

NULL pointer

Empty string

NULL pointer

Error message

How to close an opened file in C?

Using endfile function

Using close function

Using fclose function

Using fclose function

PreviousOpening and Closing Files in C

NextWriting Data to Files