www.pudn.com > EXT.rar > testSimpleD.c
#include<stdio.h>
#include<sys/ioctl.h>
#include<fcntl.h>
#include<unistd.h>
int main()
{
int fd;
int ret;
char buf[10];
fd=open("/dev/SimpleD",O_RDWR);
if (fd<0)
{
printf("Open device SimpleD error\n");
}
else
{
printf("Open device SimpleD success\n");
}
getchar();
ret=read(fd,buf,10);
getchar();
ret=write(fd,buf,10);
getchar();
ret=ioctl(fd,1,1);
close(fd);
printf("End of Test\n");
return 0;
}