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 real-
       path(path, NULL).

CONFORMING TO
       The function is a GNU extension.

SEE ALSO
       realpath(3), feature_test_macros(7)

COLOPHON
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       description  of  the project, and information about reporting bugs, can
       be found at http://www.kernel.org/doc/man-pages/.