libft

📘 libft is a custom C library implementing a collection of general‑purpose functions — many of which mirror the behavior of the standard C library — and additional utility functions that are commonly used in C programming. This project is part of the 42 School curriculum and serves as the foundation for future C projects by giving you a deep understanding of core concepts like memory manipulation, strings, and linked lists. ([GitHub][1])

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📌 Table of Contents

• About
• Features
• Getting Started
• Usage
• Project Structure
• Compilation & Makefile
• Contributing

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🧠 About

The goal of this project is to re‑implement and understand a broad set of C functions from scratch, without using many of the library functions provided by <string.h>, <ctype.h>, or <stdlib.h>. Once completed, this library produces a static archive libft.a which you can link to your own C programs. ([GitHub][1])

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⭐ Features

✔️ Reimplementation of standard C library functions (ft_strlen, ft_memcpy, etc.) ✔️ Additional utility functions (ft_substr, ft_split, ft_itoa, etc.) ✔️ Bonus linked list functions (ft_lstnew, ft_lstadd_front, etc.) ✔️ Designed to meet 42 norms and compile cleanly with strict flags (-Wall -Wextra -Werror) ([GitHub][1])

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🚀 Getting Started

🧾 Prerequisites

• A C compiler (like gcc or clang)
• make

📦 Installation

1. Clone the repository:

   git clone https://github.com/mohos26/libft.git
   cd libft

2. Compile the library:

   make

This produces a static library libft.a.

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📖 Usage

To use the library in your own C code:

1. Include the header in your .c files:

   #include "libft.h"

2. Link the static library when compiling:

   gcc -o my_program my_program.c -L. -lft

Replace my_program.c with your source file and adjust paths as needed.

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📂 Project Structure

libft/
├─ Makefile
├─ libft.h
├─ *.c               # Mandatory functions
├─ *_bonus.c         # Linked list bonus functions
├─ libft.a           # Generated library

Typical categories of functions include:

• Character checks & conversions (ft_isalpha, ft_toupper, …)
• String manipulation (ft_strlen, ft_strjoin, ft_strtrim, …)
• Memory operations (ft_memset, ft_memcpy, …)
• File descriptor outputs (ft_putchar_fd, ft_putnbr_fd, …)
• Linked list utilities (ft_lstnew, ft_lstadd_back, …) ([GitHub][2])

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🛠 Makefile Rules

Rule	Description
make	Build the library with mandatory functions
make bonus	Build including bonus (linked list) functions
make clean	Remove object files (*.o)
make fclean	Remove object files and the library (libft.a)
make re	Rebuild everything from scratch

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🤝 Contributing

This repository is intended to reflect your personal implementation of the 42 libft project. If you choose to share improvements, bug fixes, or testing additions, feel free to open a pull request.