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#ifndef LINE_BUFFER_H
#define LINE_BUFFER_H
#include "strbuf.h"
#define LINE_BUFFER_LEN 10000
struct line_buffer {
char line_buffer[LINE_BUFFER_LEN];
FILE *infile;
};
#define LINE_BUFFER_INIT { "", NULL }
int buffer_init(struct line_buffer *buf, const char *filename);
int buffer_fdinit(struct line_buffer *buf, int fd);
int buffer_deinit(struct line_buffer *buf);
int buffer_tmpfile_init(struct line_buffer *buf);
FILE *buffer_tmpfile_rewind(struct line_buffer *buf); /* prepare to write. */
long buffer_tmpfile_prepare_to_read(struct line_buffer *buf);
int buffer_ferror(struct line_buffer *buf);
char *buffer_read_line(struct line_buffer *buf);
int buffer_read_char(struct line_buffer *buf);
size_t buffer_read_binary(struct line_buffer *buf, struct strbuf *sb, size_t len);
/* Returns number of bytes read (not necessarily written). */
off_t buffer_copy_bytes(struct line_buffer *buf, off_t len);
off_t buffer_skip_bytes(struct line_buffer *buf, off_t len);
#endif
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