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.
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/.