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#ifndef _LINUX_SEQ_FILE_H

#define _LINUX_SEQ_FILE_H

#ifdef __KERNEL__

#include <linux/types.h>

#include <linux/string.h>

#include <linux/mutex.h>

struct seq_operations;

struct file;

struct vfsmount;

struct dentry;

struct inode;

struct seq_file {

        char *buf;

        size_t size;

        size_t from;

        size_t count;

        loff_t index;

        u64 version;

        struct mutex lock;

        const struct seq_operations *op;

        void *private;

};

struct seq_operations {

        void * (*start) (struct seq_file *m, loff_t *pos);

        void (*stop) (struct seq_file *m, void *v);

        void * (*next) (struct seq_file *m, void *v, loff_t *pos);

        int (*show) (struct seq_file *m, void *v);

};

int seq_open(struct file *, const struct seq_operations *);

ssize_t seq_read(struct file *, char __user *, size_t, loff_t *);

loff_t seq_lseek(struct file *, loff_t, int);

int seq_release(struct inode *, struct file *);

int seq_escape(struct seq_file *, const char *, const char *);

int seq_putc(struct seq_file *m, char c);

int seq_puts(struct seq_file *m, const char *s);

int seq_printf(struct seq_file *, const char *, ...)

        __attribute__ ((format (printf,2,3)));

int seq_path(struct seq_file *, struct vfsmount *, struct dentry *, char *);

int single_open(struct file *, int (*)(struct seq_file *, void *), void *);

int single_release(struct inode *, struct file *);

void *__seq_open_private(struct file *, const struct seq_operations *, int);

int seq_open_private(struct file *, const struct seq_operations *, int);

int seq_release_private(struct inode *, struct file *);

#define SEQ_START_TOKEN ((void *)1)

/*

 * Helpers for iteration over list_head-s in seq_files

 */

extern struct list_head *seq_list_start(struct list_head *head,

                loff_t pos);

extern struct list_head *seq_list_start_head(struct list_head *head,

                loff_t pos);

extern struct list_head *seq_list_next(void *v, struct list_head *head,

                loff_t *ppos);

#endif

#endif