标准C的标记化结构初始化语法

1 struct file_operations {
2         struct module *owner;
3         loff_t (*llseek) (struct file *, loff_t, int);
4         ssize_t (*read) (struct file *, char __user *, size_t, loff_t *);
5         ssize_t (*write) (struct file *, const char __user *, size_t, loff_t *);
6         ssize_t (*aio_read) (struct kiocb *, const struct iovec *, unsigned long, loff_t);
7         ssize_t (*aio_write) (struct kiocb *, const struct iovec *, unsigned long, loff_t);
8         int (*readdir) (struct file *, void *, filldir_t);
9         unsigned int (*poll) (struct file *, struct poll_table_struct *);
10         int (*ioctl) (struct inode *, struct file *, unsigned int, unsigned long);
11         long (*unlocked_ioctl) (struct file *, unsigned int, unsigned long);
12         long (*compat_ioctl) (struct file *, unsigned int, unsigned long);
13         int (*mmap) (struct file *, struct vm_area_struct *);
14         int (*open) (struct inode *, struct file *);
15         int (*flush) (struct file *, fl_owner_t id);
16         int (*release) (struct inode *, struct file *);
17         int (*fsync) (struct file *, struct dentry *, int datasync);
18         int (*aio_fsync) (struct kiocb *, int datasync);
19         int (*fasync) (int, struct file *, int);
20         int (*lock) (struct file *, int, struct file_lock *);
21         ssize_t (*sendfile) (struct file *, loff_t *, size_t, read_actor_t, void *);
22         ssize_t (*sendpage) (struct file *, struct page *, int, size_t, loff_t *, int);
23         unsigned long (*get_unmapped_area)(struct file *, unsigned long, unsigned long, unsigned long, unsigned long);
24         int (*check_flags)(int);
25         int (*dir_notify)(struct file *filp, unsigned long arg);
26         int (*flock) (struct file *, int, struct file_lock *);
27         ssize_t (*splice_write)(struct pipe_inode_info *, struct file *, loff_t *, size_t, unsigned int);
28         ssize_t (*splice_read)(struct file *, loff_t *, struct pipe_inode_info *, size_t, unsigned int);
29 };

   

1 static struct file_operations simple_fops = {
2         .open = simple_open,
3         .write = simple_write,
4         .owner = THIS_MODULE,
5 };

允许对结构成员进行重新排列。