2D integer array utilities.
Utility functions for handling pointer and integer arrays.
Classification and validation functions for characters and strings.
Numeric conversion utility functions.
File utility functions for simplified and safe file operations.
Math and geometry utilities for libft.
Low-level memory manipulation functions.
File descriptor-based output functions.
Internal definitions and declarations for ft_printf.
Sorting utility functions and comparators.
String manipulation utility functions.
Utility functions for general-purpose operations.