ft_printf

Reimplementation of the standard printf function in C, developed as part of the 42 School curriculum.

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📌 Description

The goal of this project is to implement a simplified version of the printf function from the C standard library. This custom implementation handles various format specifiers and uses variadic functions.

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🛠️ Supported Format Specifiers

This version of ft_printf supports the following conversions:

Format	Description
%c	Character
%s	String
%d	Signed decimal integer
%i	Signed decimal integer
%u	Unsigned decimal integer
%x	Unsigned hexadecimal (lowercase)
%X	Unsigned hexadecimal (uppercase)
%p	Pointer address

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📁 Project Files

Header File: ft_printf.h

Defines the public function prototype and helper functions.

Source Files:

• ft_printf.c — Main implementation of the ft_printf function
• ft_putstr.c — String printing and character output
• ft_int_number.c — Integer formatting
• ft_hexnumber.c — Hexadecimal formatting
• ft_unsigned.c — Unsigned integer formatting
• ft_pointer.c — Pointer address formatting
• ft_step.c — Helper function for number-to-string conversion steps

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Example

#include "ft_printf.h"

int	main(void)
{
	int	num = 42;
	ft_printf("Hello, number: %d\n", num);
	return (0);
}