isdn_divertif.h
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上传日期:2013-02-24
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- /* $Id: isdn_divertif.h,v 1.1.4.1 2001/11/20 14:19:38 kai Exp $
- *
- * Header for the diversion supplementary interface for i4l.
- *
- * Author Werner Cornelius (werner@titro.de)
- * Copyright by Werner Cornelius (werner@titro.de)
- *
- * This software may be used and distributed according to the terms
- * of the GNU General Public License, incorporated herein by reference.
- *
- */
- /***********************************************************/
- /* magic value is also used to control version information */
- /***********************************************************/
- #define DIVERT_IF_MAGIC 0x25873401
- #define DIVERT_CMD_REG 0x00 /* register command */
- #define DIVERT_CMD_REL 0x01 /* release command */
- #define DIVERT_NO_ERR 0x00 /* return value no error */
- #define DIVERT_CMD_ERR 0x01 /* invalid cmd */
- #define DIVERT_VER_ERR 0x02 /* magic/version invalid */
- #define DIVERT_REG_ERR 0x03 /* module already registered */
- #define DIVERT_REL_ERR 0x04 /* module not registered */
- #define DIVERT_REG_NAME isdn_register_divert
- /***************************************************************/
- /* structure exchanging data between isdn hl and divert module */
- /***************************************************************/
- typedef struct
- { ulong if_magic; /* magic info and version */
- int cmd; /* command */
- int (*stat_callback)(isdn_ctrl *); /* supplied by divert module when calling */
- int (*ll_cmd)(isdn_ctrl *); /* supplied by hl on return */
- char * (*drv_to_name)(int); /* map a driver id to name, supplied by hl */
- int (*name_to_drv)(char *); /* map a driver id to name, supplied by hl */
- } isdn_divert_if;
- /*********************/
- /* function register */
- /*********************/
- extern int DIVERT_REG_NAME(isdn_divert_if *);