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[/
/ Copyright (c) 2003-2014 Christopher M. Kohlhoff (chris at kohlhoff dot com)
/
/ Distributed under the Boost Software License, Version 1.0. (See accompanying
/ file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
/]
[section:SettableSocketOption Settable socket option requirements]
In the table below, `X` denotes a socket option class, `a` denotes a value of
`X`, `p` denotes a value that meets the [link boost_asio.reference.Protocol
protocol] requirements, and `u` denotes an identifier.
[table SettableSocketOption requirements
[[expression] [type] [assertion/note\npre/post-conditions]]
[
[`a.level(p);`]
[`int`]
[
Returns a value suitable for passing as the /level/ argument to __POSIX__
__setsockopt__ (or equivalent).
]
]
[
[`a.name(p);`]
[`int`]
[
Returns a value suitable for passing as the /option_name/ argument to
__POSIX__ __setsockopt__ (or equivalent).
]
]
[
[`const X& u = a;
u.data(p);`]
[a pointer, convertible to `const void*`]
[
Returns a pointer suitable for passing as the /option_value/ argument to
__POSIX__ __setsockopt__ (or equivalent).
]
]
[
[`a.size(p);`]
[`size_t`]
[
Returns a value suitable for passing as the /option_len/ argument to
__POSIX__ __setsockopt__ (or equivalent), after appropriate integer
conversion has been performed.
]
]
]
[endsect]
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