#include <sys/types.h>#include <stdio.h>#include <stdlib.h>#include <strings.h>#include <sys/ioctl.h>#include <unistd.h>#include <fcntl.h>#include "ixjuser.h"int main(int argc, char *argv[]){  int ixj, dsp, ver, cadence;  char pname[80];  if(argc >= 2)    sprintf(pname, "/dev/ixj%s", argv[1]);  else    sprintf(pname, "/dev/ixj0");  ixj = open(pname, O_RDWR);  dsp = ioctl(ixj, IXJCTL_DSP_TYPE);  ver = ioctl(ixj, IXJCTL_DSP_VERSION);  printf("DSP type 0x%x, DSP Version 0x%x\n", dsp, ver);  if(argc >= 3)    ioctl(ixj, IXJCTL_RING_CADENCE, atoi(argv[2]));  ioctl(ixj, IXJCTL_RING_START);  printf("Press enter to stop ringing\n");  getchar();  ioctl(ixj, IXJCTL_RING_STOP);  close(ixj);}