basic_streambuf::showmanyc

A protected virtual member function that returns a count of the number of characters that can be extracted from the input stream and ensure that the program will not be subject to an indefinite wait.

virtual streamsize showmanyc( );

Return Value

The default behavior is to return zero.

Requirements

Header: <streambuf>

Namespace: std

See Also

Concepts

basic_streambuf Class

basic_streambuf Members

iostream Programming

iostreams Conventions