#elif defined __EMX__ /* emx+gcc */
return (fp->_flags & (_IORW | _IOREAD)) != 0;
#elif defined _IOERR /* AIX, HP-UX, IRIX, OSF/1, Solaris, OpenServer, mingw */
#elif defined __EMX__ /* emx+gcc */
return (fp->_flags & (_IORW | _IOREAD)) != 0;
#elif defined _IOERR /* AIX, HP-UX, IRIX, OSF/1, Solaris, OpenServer, mingw */