2 @section @code{setsockopt}
5 POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/setsockopt.html}
7 Gnulib module: setsockopt
9 Portability problems fixed by Gnulib:
12 On Windows platforms (excluding Cygwin), error codes for
13 @code{setsockopt} are not placed in @code{errno}, and
14 @code{WSAGetLastError} must be used instead.
17 Portability problems not fixed by Gnulib:
20 Many socket options are not available on all platforms.