How to Compile C Code with GCC — Flags, Standards, and Options
Learn how to compile C programs with GCC. Essential flags, language standards, optimisation levels, and debugging options explained.
Read articleString Functions in C — strcmp, strcpy, strlen, strcat Pitfalls
Learn how C string functions work and where they fail. Buffer overflows in strcpy, misusing strcmp, and safer alternatives.
Read articleFunction Pointers in C — What They Are and When to Use Them
Function pointers let you store and call functions dynamically in C. Learn the syntax, callbacks, dispatch tables, and common patterns.
Read articleC Preprocessor Directives — #define, #ifdef, #include Explained
Learn how the C preprocessor works. #define macros, #ifdef guards, #include, #pragma, and the common mistakes that cause subtle bugs.
Read articleHow to Implement a Linked List in C from Scratch
Build a singly linked list in C from scratch. Node creation, insertion, deletion, traversal, and memory management with complete working code.
Read articleBitwise Operators in C — Practical Guide with Real Examples
Learn how bitwise operators work in C with practical examples. AND, OR, XOR, NOT, shift operators and real use cases like flags and packing.
Read articleC Structs Explained — typedef, Nested Structs, and Memory Padding
Learn how structs work in C — how to declare them, use typedef, nest them, pass them to functions, and understand memory padding.
Read articleStack vs Heap in C — What Every Programmer Must Know
Understanding the stack and heap in C is fundamental. Learn where each type of variable lives, how memory is managed, and when to choose each.
Read articleUnderstanding sizeof in C — Surprising Edge Cases Explained
sizeof in C has surprising edge cases with arrays, structs, pointers, and function parameters. Learn them all before they catch you out.
Read articleHow to Read a File in C — fopen, fread, fgets, fscanf Compared
Learn how to read files in C using fopen, fgets, fread, and fscanf. Real code examples showing when to use each function.
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