2 @section @file{iso646.h}
4 POSIX specification: @url{http://www.opengroup.org/susv3xbd/iso646.h.html}
8 Portability problems fixed by Gnulib:
12 Portability problems not fixed by Gnulib:
15 This header file is missing on some platforms:
16 HP-UX 11, IRIX 6.5, OSF/1 4.0, Cygwin, mingw, BeOS.