stdio-common/scanf.c

   1 /* Copyright (C) 1991, 1995, 1996, 1997, 2002 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, write to the Free
  16    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  17    02111-1307 USA.  */
  18
  19 #include <stdarg.h>
  20 #include <stdio.h>
  21
  22 #ifdef USE_IN_LIBIO
  23 # include <libioP.h>
  24 #endif
  25
  26
  27 /* Read formatted input from stdin according to the format string FORMAT.  */
  28 /* VARARGS1 */
  29 int
  30 scanf (const char *format, ...)
  31 {
  32   va_list arg;
  33   int done;
  34
  35   va_start (arg, format);
  36 #ifdef USE_IN_LIBIO
  37   done = INTUSE(_IO_vfscanf) (stdin, format, arg, NULL);
  38 #else
  39   done = vfscanf (stdin, format, arg);
  40 #endif
  41   va_end (arg);
  42
  43   return done;
  44 }