2 @section @code{realpath}
5 POSIX specification: @url{http://www.opengroup.org/onlinepubs/9699919799/functions/realpath.html}
7 Gnulib module: canonicalize-lgpl
9 Portability problems fixed by Gnulib:
12 This function is missing on some platforms:
15 This function does not allow for a NULL @samp{resolved} parameter on
19 This function does not always return an absolute path on some
24 Portability problems not fixed by Gnulib:
27 This function does not allow to determine the required size of output buffer;
28 the use of a non-NULL @samp{resolved} buffer is non-portable, since
29 PATH_MAX --- if it is defined --- is nothing more than a guess.