Big day for this site: C Program Examples is live on Product Hunt today. If you’ve found the tutorials, quizzes, or K&R solutions here useful, dropping by the launch page to say hello (or leave honest feedback) would mean a lot — it’s a 24-hour window, and every comment helps other C learners discover the …
Memory management is where C interviews get serious. Pointers test syntax — memory questions test whether you can be trusted with a production codebase. This page collects 25 real C memory management interview questions with clear answers and tested, compilable code: stack vs heap, the malloc family, leaks, dangling pointers, double free, struct padding, and …
Pointers are the single most-asked topic in C interviews — and the topic where most candidates lose the job. This page collects 25 real C pointer interview questions with clear answers and tested, compilable code for every one: pointer basics, const placement, pointer arithmetic, arrays vs pointers, function pointers, dynamic memory, and the predict-the-output traps …
Linux is C’s home turf — the kernel, the shell, and most of the tools you’re using were written in it — and compiling C there is a two-command job once you know the pattern. This guide takes you from a .c file to a running program on any Linux system (a desktop, a cloud …
A Mac is a superb machine for learning C — it’s Unix underneath, the compiler is free, and the whole setup is genuinely one command. But macOS has its own toolchain with a few surprises that trip up everyone who learned C on Linux or Windows: gcc isn’t really GCC, there’s no GDB, and Valgrind …
Every C programmer eventually asks it: should I use GCC or Clang? The honest answer is that for learning and for most projects it matters far less than people think — they accept the same flags, compile the same standard C, and produce programs that behave identically. But they are genuinely different tools with different …