basic_istream::sync

Synchronizes the input device associated with the stream with the stream's buffer.

int sync( );

Return Value

If rdbuf is a null pointer, the function returns -1. Otherwise, it calls rdbuf ->pubsync. If that returns -1, the function calls setstate(badbit) and returns -1. Otherwise, the function returns zero.

Requirements

Header: <istream>

Namespace: std

See Also

Reference

basic_istream Class

iostream Programming

iostreams Conventions

Other Resources

basic_istream Members