//#include <sys/stat.h>
//#include <unistd.h>
//#include <signal.h>
//#include <sys/stat.h>
//#include <unistd.h>
//#include <signal.h>
//#include <fcntl.h>
#include <sys/ioctl.h>
//#include <sys/file.h>
//#include <fcntl.h>
#include <sys/ioctl.h>
//#include <sys/file.h>