| /* |
| Copyright (C) 1993, 1996 Free Software Foundation, Inc. |
| |
| 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 this library; see the file COPYING. If not, write to the Free |
| Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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. */ |
| |
| #include "libioP.h" |
| |
| int |
| _IO_ungetc (c, fp) |
| int c; |
| _IO_FILE *fp; |
| { |
| int result; |
| CHECK_FILE (fp, EOF); |
| if (c == EOF) |
| return EOF; |
| _IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, fp); |
| _IO_flockfile (fp); |
| result = _IO_sputbackc (fp, (unsigned char) c); |
| _IO_cleanup_region_end (1); |
| return result; |
| } |
| |
| weak_alias (_IO_ungetc, ungetc) |