1 /* ----------------------------------------------------------------------- * 2 * 3 * Copyright 2004-2008 H. Peter Anvin - All Rights Reserved 4 * 5 * Permission is hereby granted, free of charge, to any person 6 * obtaining a copy of this software and associated documentation 7 * files (the "Software"), to deal in the Software without 8 * restriction, including without limitation the rights to use, 9 * copy, modify, merge, publish, distribute, sublicense, and/or 10 * sell copies of the Software, and to permit persons to whom 11 * the Software is furnished to do so, subject to the following 12 * conditions: 13 * 14 * The above copyright notice and this permission notice shall 15 * be included in all copies or substantial portions of the Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES 19 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 20 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT 21 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, 22 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 23 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 24 * OTHER DEALINGS IN THE SOFTWARE. 25 * 26 * ----------------------------------------------------------------------- */ 27 28 /* 29 * console.h 30 * 31 * Alternative consoles 32 */ 33 34 #ifndef _DEV_H 35 #define _DEV_H 36 37 #include <klibc/extern.h> 38 #include <stdint.h> 39 #include <stddef.h> 40 41 struct input_dev; 42 struct output_dev; 43 44 __extern int opendev(const struct input_dev *, const struct output_dev *, int); 45 __extern int openmem(const void *, size_t, int); 46 47 /* Common generic devices */ 48 49 /* Null device */ 50 extern const struct input_dev dev_null_r; 51 extern const struct output_dev dev_null_w; 52 53 /* Error device */ 54 extern const struct input_dev dev_error_r; 55 extern const struct output_dev dev_error_w; 56 57 #endif /* _DEV_H */ 58