?? erl_stat_portdrv_ex.c
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#include <stdio.h>#include "ose.h"#include "ose_erl_driver.h"/* -------------------------------------------------------------------------** Data types**/typedef struct _erl_drv_data EchoDrvData;/* -------------------------------------------------------------------------** Entry struct**/static EchoDrvData *echo_drv_start(ErlDrvPort port, char *command);static void echo_drv_stop(EchoDrvData *data_p);static void echo_drv_output(EchoDrvData *data_p, char *buf, int len);static void echo_drv_finish(void);static int echo_drv_control(EchoDrvData *data_p, unsigned int command, char *buf, int len, char **rbuf, int rlen);static ErlDrvEntry echo_drv_entry = { NULL, /* init */ echo_drv_start, echo_drv_stop, echo_drv_output, NULL, /* ready_input */ NULL, /* ready_output */ "erl_stat_portdrv_ex", echo_drv_finish, NULL, /* handle */ echo_drv_control, NULL, /* timeout */ NULL, /* outputv */ NULL /* ready_async */};/* -------------------------------------------------------------------------** Entry functions**/ERL_DRIVER_INIT(erl_stat_portdrv_ex){ DRIVER_INTERFACE_INIT(); return &echo_drv_entry;}static EchoDrvData *echo_drv_start(ErlDrvPort port, char *command) { void *void_ptr; return void_ptr = port;}static void echo_drv_stop(EchoDrvData *data_p) {}static void echo_drv_output(EchoDrvData *data_p, char *buf, int len) { void *void_ptr; ErlDrvPort port = void_ptr = data_p; driver_output(port, buf, len);}static void echo_drv_finish() {}static int echo_drv_control(EchoDrvData *data_p, unsigned int command, char *buf, int len, char **rbuf, int rlen) { return 0;}?? 快捷鍵說(shuō)明
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