man canonicalize_file_name (Fonctions bibliothèques) - return the canonicalized filename
NAME
canonicalize_file_name - return the canonicalized filename
SYNOPSIS
#define _GNU_SOURCE
#include <stdlib.h>
char *canonicalize_file_name (const char *path);
DESCRIPTION
The call canonicalize_file_name(path) is equivalent to the call realpath(path, NULL).
CONFORMING TO
The function is a GNU extension.