C Programming

A complete C course following a 12-week academic syllabus: from basics, output and input, through control flow, functions, arrays, strings and structs — to pointers, dynamic memory and files, with a final capstone.

Lesson 1: Hello, World! — Your first C program
Lesson 2: Variables & types — int, double, char
Lesson 3: Input with scanf & debugging
Lesson 4: Conditionals — if & else
Lesson 5: Logical operators, else-if & switch
Lesson 6: while & do-while loops
Lesson 7: for loops & nested loops
Lesson 8: Type conversion & casting
Lesson 9: Functions — definition, prototype & return
Lesson 10: Pass by value & scope
Lesson 11: Decomposing a program into functions
Lesson 12: One-dimensional arrays
Lesson 13: Two-dimensional arrays
Lesson 14: Sorting an array — bubble sort
Lesson 15: Strings — a char array & '\0'
Lesson 16: Structures — struct & typedef
Lesson 17: union & how it differs from struct
Lesson 18: Pointers — addresses, & and *
Lesson 19: Pointer arithmetic & arrays
Lesson 20: Pass by address — a swap that works
Lesson 21: Function pointers
Lesson 22: Dynamic memory — stack, heap & malloc
Lesson 23: calloc, realloc & dynamic arrays
Lesson 24: Memory safety — leaks & dangling pointers
Lesson 25: Files — writing with fopen & fprintf
Lesson 26: Reading files & capstone project