5 POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/l64a.html}
9 Portability problems fixed by Gnulib:
13 Portability problems not fixed by Gnulib:
16 This function is missing on some platforms:
17 FreeBSD 6.0, mingw, BeOS.
19 This function was not correctly implemented in glibc versions before 2.2.5.