2 @section @code{isnormal}
5 POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/isnormal.html}
9 Portability problems fixed by Gnulib:
13 Portability problems not fixed by Gnulib:
16 This function is missing on some platforms:
17 Mac OS X 10.5, OpenBSD 3.8, AIX 5.1, IRIX 6.5, OSF/1 5.1, Solaris 11.4, Interix 3.5, Android 4.4.