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The read_at function is a composed
operation that reads a certain amount of data at the specified offset before
returning.
Attempt to read a certain amount of data at the specified offset before returning.
template<
typename SyncRandomAccessReadDevice,
typename MutableBufferSequence>
std::size_t read_at(
SyncRandomAccessReadDevice & d,
uint64_t offset,
const MutableBufferSequence & buffers);
» more...
template<
typename SyncRandomAccessReadDevice,
typename MutableBufferSequence>
std::size_t read_at(
SyncRandomAccessReadDevice & d,
uint64_t offset,
const MutableBufferSequence & buffers,
asio::error_code & ec);
» more...
template<
typename SyncRandomAccessReadDevice,
typename MutableBufferSequence,
typename CompletionCondition>
std::size_t read_at(
SyncRandomAccessReadDevice & d,
uint64_t offset,
const MutableBufferSequence & buffers,
CompletionCondition completion_condition);
» more...
template<
typename SyncRandomAccessReadDevice,
typename MutableBufferSequence,
typename CompletionCondition>
std::size_t read_at(
SyncRandomAccessReadDevice & d,
uint64_t offset,
const MutableBufferSequence & buffers,
CompletionCondition completion_condition,
asio::error_code & ec);
» more...
template<
typename SyncRandomAccessReadDevice,
typename Allocator>
std::size_t read_at(
SyncRandomAccessReadDevice & d,
uint64_t offset,
basic_streambuf< Allocator > & b);
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template<
typename SyncRandomAccessReadDevice,
typename Allocator>
std::size_t read_at(
SyncRandomAccessReadDevice & d,
uint64_t offset,
basic_streambuf< Allocator > & b,
asio::error_code & ec);
» more...
template<
typename SyncRandomAccessReadDevice,
typename Allocator,
typename CompletionCondition>
std::size_t read_at(
SyncRandomAccessReadDevice & d,
uint64_t offset,
basic_streambuf< Allocator > & b,
CompletionCondition completion_condition);
» more...
template<
typename SyncRandomAccessReadDevice,
typename Allocator,
typename CompletionCondition>
std::size_t read_at(
SyncRandomAccessReadDevice & d,
uint64_t offset,
basic_streambuf< Allocator > & b,
CompletionCondition completion_condition,
asio::error_code & ec);
» more...
Header: asio/read_at.hpp
Convenience header: asio.hpp