Перед возвращением записывайте определенное количество данных в поток.
template<
typename SyncWriteStream,
typename ConstBufferSequence>
std::size_t write(
SyncWriteStream & s,
const ConstBufferSequence & buffers);
» more...
template<
typename SyncWriteStream,
typename ConstBufferSequence>
std::size_t write(
SyncWriteStream & s,
const ConstBufferSequence & buffers,
boost::system::error_code & ec);
» more...
template<
typename SyncWriteStream,
typename ConstBufferSequence,
typename CompletionCondition>
std::size_t write(
SyncWriteStream & s,
const ConstBufferSequence & buffers,
CompletionCondition completion_condition);
» more...
template<
typename SyncWriteStream,
typename ConstBufferSequence,
typename CompletionCondition>
std::size_t write(
SyncWriteStream & s,
const ConstBufferSequence & buffers,
CompletionCondition completion_condition,
boost::system::error_code & ec);
» more...
template<
typename SyncWriteStream,
typename Allocator>
std::size_t write(
SyncWriteStream & s,
basic_streambuf< Allocator > & b);
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template<
typename SyncWriteStream,
typename Allocator>
std::size_t write(
SyncWriteStream & s,
basic_streambuf< Allocator > & b,
boost::system::error_code & ec);
» more...
template<
typename SyncWriteStream,
typename Allocator,
typename CompletionCondition>
std::size_t write(
SyncWriteStream & s,
basic_streambuf< Allocator > & b,
CompletionCondition completion_condition);
» more...
template<
typename SyncWriteStream,
typename Allocator,
typename CompletionCondition>
std::size_t write(
SyncWriteStream & s,
basic_streambuf< Allocator > & b,
CompletionCondition completion_condition,
boost::system::error_code & ec);
» more...
Заголовок:<boost/asio/write.hpp
>
Заголовок удобства:<boost/asio.hpp
>