#elif defined _IOERR /* AIX, HP-UX, IRIX, OSF/1, Solaris, OpenServer, mingw, NonStop Kernel */
return (fp->_flag & _IOWRT) != 0;
#elif defined __UCLIBC__ /* uClibc */
#elif defined _IOERR /* AIX, HP-UX, IRIX, OSF/1, Solaris, OpenServer, mingw, NonStop Kernel */
return (fp->_flag & _IOWRT) != 0;
#elif defined __UCLIBC__ /* uClibc */