1 /* sane - Scanner Access Now Easy. 2 Copyright (C) 1998 Christian Bucher 3 Copyright (C) 1998 Kling & Hautzinger GmbH 4 This file is part of the SANE package. 5 6 This program is free software; you can redistribute it and/or 7 modify it under the terms of the GNU General Public License as 8 published by the Free Software Foundation; either version 2 of the 9 License, or (at your option) any later version. 10 11 This program is distributed in the hope that it will be useful, but 12 WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 General Public License for more details. 15 16 You should have received a copy of the GNU General Public License 17 along with this program. If not, see <https://www.gnu.org/licenses/>. 18 19 As a special exception, the authors of SANE give permission for 20 additional uses of the libraries contained in this release of SANE. 21 22 The exception is that, if you link a SANE library with other files 23 to produce an executable, this does not by itself cause the 24 resulting executable to be covered by the GNU General Public 25 License. Your use of that executable is in no way restricted on 26 account of linking the SANE library code into it. 27 28 This exception does not, however, invalidate any other reasons why 29 the executable file might be covered by the GNU General Public 30 License. 31 32 If you submit changes to SANE to the maintainers to be included in 33 a subsequent release, you agree by submitting the changes that 34 those changes may be distributed with this exception intact. 35 36 If you write modifications of your own for SANE, it is your choice 37 whether to permit this exception to apply to your modifications. 38 If you do not wish that, delete this exception notice. */ 39 40 #ifndef sanei_pio_h 41 #define sanei_pio_h 42 43 #include <sys/types.h> 44 45 #include <sane/sane.h> 46 47 extern SANE_Status sanei_pio_open (const char * dev, int * fd); 48 extern void sanei_pio_close (int fd); 49 extern int sanei_pio_read (int fd, u_char * buf, int n); 50 extern int sanei_pio_write (int fd, const u_char * buf, int n); 51 52 #endif /* sanei_pio_h */ 53