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 1

Opening and Closing Files in C

Summary

No summary available for this chapter.

Concept Check

0/5

Which mode string is used for appending to a file?

w

a

rb

r

What function closes an opened file in C?

fclose

close

terminate

endfile

What does fopen return if it fails to open a file?

NULL

An integer

A string

Pointer to FILE

In fopen, what mode is specified for reading a file?

r

w

a

rb

What does fopen return if the file opens successfully?

Pointer to FILE struct

NULL

An integer

A string

NextReading Data from Files