1 /** 2 * \file include/input.h 3 * \brief Application interface library for the ALSA driver 4 * \author Jaroslav Kysela <perex (at) perex.cz> 5 * \author Abramo Bagnara <abramo (at) alsa-project.org> 6 * \author Takashi Iwai <tiwai (at) suse.de> 7 * \date 1998-2001 8 * 9 * Application interface library for the ALSA driver 10 */ 11 /* 12 * This library is free software; you can redistribute it and/or modify 13 * it under the terms of the GNU Lesser General Public License as 14 * published by the Free Software Foundation; either version 2.1 of 15 * the License, or (at your option) any later version. 16 * 17 * This program is distributed in the hope that it will be useful, 18 * but WITHOUT ANY WARRANTY; without even the implied warranty of 19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 20 * GNU Lesser General Public License for more details. 21 * 22 * You should have received a copy of the GNU Lesser General Public 23 * License along with this library; if not, write to the Free Software 24 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 25 * 26 */ 27 28 #ifndef __ALSA_INPUT_H 29 #define __ALSA_INPUT_H 30 31 #ifdef __cplusplus 32 extern "C" { 33 #endif 34 35 /** 36 * \defgroup Input Input Interface 37 * 38 * The input functions present an interface similar to the stdio functions 39 * on top of different underlying input sources. 40 * 41 * The #snd_config_load function uses such an input handle to be able to 42 * load configurations not only from standard files but also from other 43 * sources, e.g. from memory buffers. 44 * 45 * \{ 46 */ 47 48 /** 49 * \brief Internal structure for an input object. 50 * 51 * The ALSA library uses a pointer to this structure as a handle to an 52 * input object. Applications don't access its contents directly. 53 */ 54 typedef struct _snd_input snd_input_t; 55 56 /** Input type. */ 57 typedef enum _snd_input_type { 58 /** Input from a stdio stream. */ 59 SND_INPUT_STDIO, 60 /** Input from a memory buffer. */ 61 SND_INPUT_BUFFER 62 } snd_input_type_t; 63 64 int snd_input_stdio_open(snd_input_t **inputp, const char *file, const char *mode); 65 int snd_input_stdio_attach(snd_input_t **inputp, FILE *fp, int _close); 66 int snd_input_buffer_open(snd_input_t **inputp, const char *buffer, ssize_t size); 67 int snd_input_close(snd_input_t *input); 68 int snd_input_scanf(snd_input_t *input, const char *format, ...) 69 #ifndef DOC_HIDDEN 70 __attribute__ ((format (scanf, 2, 3))) 71 #endif 72 ; 73 char *snd_input_gets(snd_input_t *input, char *str, size_t size); 74 int snd_input_getc(snd_input_t *input); 75 int snd_input_ungetc(snd_input_t *input, int c); 76 77 /** \} */ 78 79 #ifdef __cplusplus 80 } 81 #endif 82 83 #endif /* __ALSA_INPUT_H */ 84
