Provided by:
manpages-dev_3.35-0.1ubuntu1_all 
NAME
canonicalize_file_name - return the canonicalized filename
SYNOPSIS
#define _GNU_SOURCE /* See feature_test_macros(7) */
#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.
SEE ALSO
realpath(3)
COLOPHON
This page is part of release 3.35 of the Linux man-pages project. A
description of the project, and information about reporting bugs, can
be found at http://man7.org/linux/man-pages/.