Copies almost all the behavior of the original libc’s printf.

printf floating-point va-list long-arithmetics

• Updated Nov 10, 2022
• C

It works like printf function in the stdio.h library.

variadic-function va-list

• Updated Feb 17, 2023
• C

C++ cross-platform base library

console log types cpp printf allocator sort assert sscanf va-list

• Updated Oct 6, 2026
• C++

Custom printf C implementation using variadic functions, format parsing, base conversion, and write-based output

c printf base-conversion write static-library 42school ft-printf system-calls variadic-functions 42-school va-list formatted-output libftprintf stdarg 42-cursus format-specifiers

• Updated Jan 2, 2026
• C

printf variadic-function va-list printf-42

• Updated Mar 23, 2023
• C

A custom reimplementation of the C printf() function, built from scratch using variadic arguments. Handles every required conversion (%c %s %p %d %i %u %x %X %%) plus optional formatting flags for width, precision, and padding — with zero memory leaks

c makefile buffer printf recursion hexadecimal norminette flags type-conversion 42school ft-printf c-programming variadic-functions va-list string-formatting file-descriptors 42cursus format-string 42commoncore

• Updated Sep 20, 2026
• C

printf rebuilt from scratch in C, using variadic functions.

c printf variadic-functions va-list va-start va-end va-arg va-copy unix-logic

• Updated Nov 1, 2026
• C

cmdline library, parser

parser options args cmdline va-list

• Updated Oct 6, 2026
• C++