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-rw-r--r--libio/ioprims.c73
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diff --git a/libio/ioprims.c b/libio/ioprims.c
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+/*
+Copyright (C) 1993 Free Software Foundation
+
+This file is part of the GNU IO Library.  This library is free
+software; you can redistribute it and/or modify it under the
+terms of the GNU General Public License as published by the
+Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+This library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU CC; see the file COPYING.  If not, write to
+the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
+
+As a special exception, if you link this library with files
+compiled with a GNU compiler to produce an executable, this does not cause
+the resulting executable to be covered by the GNU General Public License.
+This exception does not however invalidate any other reasons why
+the executable file might be covered by the GNU General Public License. */
+
+/* I/O OS-level primitives.
+   Needs to be replaced if not using Unix.
+   Also needs to be replaced if avoiding name-space pollution
+   (in which case read would be defined in terms of _IO_read,
+   rather than vice versa). */
+
+#include "libioP.h"
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+
+#ifdef TODO
+/* Add open, isatty */
+#endif
+
+_IO_ssize_t
+DEFUN(_IO_read, (fildes, buf, nbyte),
+      int fildes AND void *buf AND _IO_size_t nbyte)
+{
+  return __read (fildes, buf, nbyte);
+}
+
+_IO_ssize_t
+DEFUN(_IO_write, (fildes, buf, nbyte),
+      int fildes AND const void *buf AND _IO_size_t nbyte)
+{
+  return __write (fildes, buf, nbyte);
+}
+
+_IO_off_t
+DEFUN(_IO_lseek, (fildes, offset, whence),
+      int fildes AND _IO_off_t offset AND int whence)
+{
+  return __lseek (fildes, offset, whence);
+}
+
+int
+DEFUN(_IO_close, (fildes),
+      int fildes)
+{
+  return __close (fildes);
+}
+
+int
+DEFUN(_IO_fstat, (fildes, buf),
+      int fildes AND struct stat *buf)
+{
+  return __fstat (fildes, buf);
+}