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Materials on various sections in Computer Science (CS). 🎓

get_next_line project from 42

ft_printf project from 42 :: libc's printf() from scratch

Libft project from 42 :: a library that re-implements a set of useful functions from the C standard library and more

open-source STM8 toolchain: SDCC compiler + Makefile, OpenOCD/stm8flash, GDB/cgdb, SPL, clangd/ccls

https://chytrosti.marrek.cz/stm8oss.html

This is a simple otp generation and management code. Written in c language.

Example for writing libraries in C. There is an example for shared library and one for static library in Makefile.

Console Tetris (Brick Game) in C | C11 | 2025 September — Classic Tetris in the terminal featuring Finite State Machine orchestration, clean layer separation, ncurses UI, and comprehensive unit tests.

High-Precision Decimal Arithmetic Library in C | C11 | 2025 September — Custom 128-bit decimal library for financial calculations—exact arithmetic, bank rounding, and full test coverage to eliminate floating-point errors.

2025 July. The s21_string+ project is a custom implementation of C's standard string.h library, adding core functions like sprintf and sscanf. It teaches low-level string manipulation, memory management, and formatted I/O parsing. This builds critical skills for systems programming and developing efficient, reliable software tools.

My solutions to the C Programming A Modern approach book 2nd edition (by K. N. King). These solutions are published for historical purposes and intended to be a guide for other learners to gain intuition rather than being used for cheating.

A T-Cycle accurate emulator of the SM83 CPU, part of the LR35902 GameBoy SoC, written in C.

Easily manage multiple FLOSS repositories.

Unnecessary Complex Build System - compiles Makefiles using Makefile to build everything

Template generator for STM32 and other MCUs.

Recoded version of printf. I learned what is that and how to implement variadic functions.

This repository showcases my journey through the 42 School's Piscine, where we dedicated over 10 hours per day for 4 weeks, tackling intensive coding challenges with no chill-out. From Monday to Friday, I focused on C projects, and each Friday culminated in an exam to test our skills. Weekends were spent collaborating on Rush team projects. Transitioning from Python to C was tough, but through this experience, I gained expertise in C, Shell scripting, Docker, Git, teamwork, and much more while solving complex problems under pressure.

contact: sashapetrovskyidev@gmail.com

net is a multi purpose networking tool, capable of creating TCP and UDP sockets acts as server and client.

Python script to generate a Makefile from MDK-ARM or SW4 projects and be able to compile and upload some STM32 example projects lacking this compilation method

Simple and Extensible http server.