入门文章：教你学会编写Linux设备驱动之结束篇1

return 0;

}


static int

asdf_release /* close回调 */

(

struct inode *inode,

struct file *filp

){

printk("^_^ : close\n ");

return 0;

}


static ssize_t

asdf_read /* read回调 */

(

struct file *filp,

char *buf,

size_t count,

loff_t *f_pos

){

loff_t pos;

pos = *f_pos; /* 文件的读写位置 */

if ((pos==40

页码：[1] [2] [3] [4] [5] 第1页、共5页