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getsockopt
POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/getsockopt.html
Gnulib module: getsockopt
Portability problems fixed by Gnulib:
getsockopt
are not placed in errno
, and
WSAGetLastError
must be used instead.
Portability problems not fixed by Gnulib:
socklen_t
type; in this case this function’s
fifth argument type is ‘int *’.
setsockopt
function, but not the getsockopt
function.