C/C++ Users Group Library 1996 July/C-C++ Users Group Library July 1996.iso/listings/v_12_07/plauger/isunget.c

C/C++ Source or Header | 1994-05-03 | 254 b | 15 lines

// isunget -- istream::unget()
#include <istream>

istream& istream::unget()
    {    // put back last char
    _Chcount = 0;
    _TRY_IO_BEGIN
    if (ipfx(1) && rdbuf()->sungetc() == EOF)
        setstate(badbit);
    isfx();
    _CATCH_IO_END
    return (*this);
    }