Start an asynchronous operation to read a certain amount of data at the specified offset.
template< typename AsyncRandomAccessReadDevice, typename MutableBufferSequence, typename ReadHandler> void-or-deduced async_read_at( AsyncRandomAccessReadDevice & d, uint64_t offset, const MutableBufferSequence & buffers, ReadHandler handler); » more... template< typename AsyncRandomAccessReadDevice, typename MutableBufferSequence, typename CompletionCondition, typename ReadHandler> void-or-deduced async_read_at( AsyncRandomAccessReadDevice & d, uint64_t offset, const MutableBufferSequence & buffers, CompletionCondition completion_condition, ReadHandler handler); » more... template< typename AsyncRandomAccessReadDevice, typename Allocator, typename ReadHandler> void-or-deduced async_read_at( AsyncRandomAccessReadDevice & d, uint64_t offset, basic_streambuf< Allocator > & b, ReadHandler handler); » more... template< typename AsyncRandomAccessReadDevice, typename Allocator, typename CompletionCondition, typename ReadHandler> void-or-deduced async_read_at( AsyncRandomAccessReadDevice & d, uint64_t offset, basic_streambuf< Allocator > & b, CompletionCondition completion_condition, ReadHandler handler); » more...
Header: asio/read_at.hpp
Convenience header: asio.hpp