1#ifndef _LINUX_SEQ_FILE_H 2#define _LINUX_SEQ_FILE_H 3#ifdef __KERNEL__ 4 5#include <linux/types.h> 6#include <linux/string.h> 7#include <asm/semaphore.h> 8 9struct seq_operations; 10struct file; 11struct vfsmount; 12struct dentry; 13struct inode; 14 15struct seq_file { 16 char *buf; 17 size_t size; 18 size_t from; 19 size_t count; 20 loff_t index; 21 struct semaphore sem; 22 struct seq_operations *op; 23 void *private; 24}; 25 26struct seq_operations { 27 void * (*start) (struct seq_file *m, loff_t *pos); 28 void (*stop) (struct seq_file *m, void *v); 29 void * (*next) (struct seq_file *m, void *v, loff_t *pos); 30 int (*show) (struct seq_file *m, void *v); 31}; 32 33int seq_open(struct file *, struct seq_operations *); 34ssize_t seq_read(struct file *, char __user *, size_t, loff_t *); 35loff_t seq_lseek(struct file *, loff_t, int); 36int seq_release(struct inode *, struct file *); 37int seq_escape(struct seq_file *, const char *, const char *); 38int seq_putc(struct seq_file *m, char c); 39int seq_puts(struct seq_file *m, const char *s); 40 41int seq_printf(struct seq_file *, const char *, ...) 42 __attribute__ ((format (printf,2,3))); 43 44int seq_path(struct seq_file *, struct vfsmount *, struct dentry *, char *); 45 46int single_open(struct file *, int (*)(struct seq_file *, void *), void *); 47int single_release(struct inode *, struct file *); 48int seq_release_private(struct inode *, struct file *); 49 50#define SEQ_START_TOKEN ((void *)1) 51 52#endif 53#endif 54