2 @subsection @code{sys_siglist}
7 Portability problems fixed by Gnulib:
11 Portability problems not fixed by Gnulib:
14 This constant is missing on some platforms:
15 MacOS X 10.5, HP-UX 11, IRIX 6.5, OSF/1 5.1, Solaris 11 2010-11, Cygwin, mingw, Interix 3.5.