Library: Input/output
Header
The deprecated header <strstream> is part of the Input/output library of the C++ Standard Library. It contains definitions of the deprecated classes strstreambuf, istrstream, ostrstream, and strstream.
NOTE -- This is a deprecated feature and might not be available in future versions.
Deprecated. See ISO/IEC 14882:1998 -- International Standard for Information Systems --Programming Language C++, Annex D Compatibility features Section D.7