2 @section @code{realpath}
5 POSIX specification: @url{http://www.opengroup.org/susv3xsh/realpath.html}
9 Portability problems fixed by Gnulib:
13 Portability problems not fixed by Gnulib:
16 This function is missing on some platforms:
19 This function does not allow to determine the required size of output buffer;
20 PATH_MAX --- if it is defined --- is nothing more than a guess.
23 Extension: Gnulib provides a module @samp{canonicalize-lgpl} that defines a
24 function @code{canonicalize_file_name} that is like @code{realpath} but without