void setstate (iostate state);
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iostate value (member constant) | indicates | functions to check state flags | ||||
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good() | eof() | fail() | bad() | rdstate() | ||
goodbit | No errors (zero value iostate) | true | false | false | false | goodbit |
eofbit | End-of-File reached on input operation | false | true | false | false | eofbit |
failbit | Logical error on i/o operation | false | false | true | false | failbit |
badbit | Read/writing error on i/o operation | false | false | true | true | badbit |