: - : <iostream.h>: -
bad clear , eof fail - fill - flags good - precision rdstate setf sync_with_stdio - - unsetf width
: : <iostream.h>: ios -> ostream
flush put ch seekp tellp write
: : <iostream.h>: ios -> istream
eatwhite gcount , getline get ignore peek EOF putback read seekg tellg
: -: <fstream.h>:
open open setmode :
: -, : <strstream.h>:
str