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 } 45