2 @subsection @code{getresgid}
7 Portability problems fixed by Gnulib:
11 Portability problems not fixed by Gnulib:
14 This function is missing on some platforms:
15 MacOS X 10.5, NetBSD 5.0, AIX 5.1, HP-UX 11.00, IRIX 6.5, OSF/1 5.1, Solaris 11 2010-11, Cygwin, mingw, Interix 3.5, BeOS.