Return the number of characters remaining to be read.
Synopsis
Declared in <bdlsb_fixedmeminput.h>
std::size_t
length() const;Description
Return the number of characters that can be successfully read from this stream buffer before reading traits_type::eof() ‐‐ i.e., the number of characters between the current read position and the end of this buffer.
Return Value
number of characters between the current read position and the end of this buffer
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