-#elif defined _IOERR /* AIX, HP-UX, IRIX, OSF/1, Solaris, mingw */
+#elif defined __EMX__ /* emx+gcc */
+ if ((fp->_flags & _IOWRT) != 0)
+ return NULL;
+ /* Note: fp->_ungetc_count > 0 implies fp->_rcount <= 0,
+ fp->_ungetc_count = 0 implies fp->_rcount >= 0. */
+ if (fp->_rcount <= 0)
+ return NULL;
+ if (!(fp->_ungetc_count == 0))
+ abort ();
+ *sizep = fp->_rcount;
+ return fp->_ptr;
+#elif defined _IOERR /* AIX, HP-UX, IRIX, OSF/1, Solaris, OpenServer, mingw */