Programming in C — Topics

What C is, why it's still taught first, and how your code becomes a running program.

The most feared, most powerful concept in C — explained simply.

The basic building blocks — how C stores and manipulates values.

How your C program talks to the user — reading input and showing output.

How your program makes decisions and picks different paths.

Repeating actions without writing the same code again and again.

Breaking a program into reusable, organized blocks of code.

Storing multiple values of the same type under one name.

Text in C is just a special array of characters — here's how it really works.

Combining what you've learned — passing arrays to functions the right way.

Grouping different types of data together under one name.

Requesting memory while your program is running — malloc, calloc, realloc, and free.

Reading from and writing to files — making your data outlive the program.

Code that runs BEFORE compilation even starts.

Controlling a variable's lifetime and visibility across your program.