+
−@node sys/socket.h
+
−@section @file{sys/socket.h}
+
−
+
−POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/basedefs/sys_socket.h.html}
+
−
+
−Gnulib module: sys_socket
+
−
+
−Portability problems fixed by Gnulib:
+
−@itemize
+
−@item
+
−This header file is missing on some platforms:
+
−mingw, MSVC 9.
+
−@item
+
−This header file is not self-contained on some platforms: it requires
+
−@code{<sys/types.h>} to be included first.
+
−@item
+
−This header file does not define the type @code{socklen_t} on some platforms:
+
−HP-UX 10.20, IRIX 6.5, OSF/1 4.0, Interix 3.5, BeOS.
+
−@item
+
−This header file does not define the type @code{struct iovec} on some platforms:
+
−OpenBSD 4.4.
+
−@item
+
−This header file is lacking the @code{SHUT_RD}, @code{SHUT_WR},
+
−@code{SHUT_RDWR} macros on some platforms, despite having the @code{shutdown}
+
−functions:
+
−emx+gcc.
+
−@item
+
−The @code{struct sockaddr_storage} type does not have a member @code{ss_family}
+
−on some platforms:
+
−AIX 7.1.
+
−@end itemize
+
−
+
−Portability problems not fixed by Gnulib:
+
−@itemize
+
−@item
+
−This header file does not declare the @code{msg_control} and
+
−@code{msg_controllen} members of @code{struct msghdr} on some
+
−platforms.  This can be detected by the absence of the
+
−@code{CMSG_FIRSTHDR} macro:
+
−gnulib replacement header, old BSD
+
−@end itemize