1#ifndef LINE_BUFFER_H2#define LINE_BUFFER_H34#include "strbuf.h"56#define LINE_BUFFER_LEN 1000078struct line_buffer {9char line_buffer[LINE_BUFFER_LEN];10FILE *infile;11};12#define LINE_BUFFER_INIT { "", NULL }1314int buffer_init(struct line_buffer *buf, const char *filename);15int buffer_fdinit(struct line_buffer *buf, int fd);16int buffer_deinit(struct line_buffer *buf);1718int buffer_tmpfile_init(struct line_buffer *buf);19FILE *buffer_tmpfile_rewind(struct line_buffer *buf); /* prepare to write. */20long buffer_tmpfile_prepare_to_read(struct line_buffer *buf);2122int buffer_ferror(struct line_buffer *buf);23char *buffer_read_line(struct line_buffer *buf);24int buffer_read_char(struct line_buffer *buf);25size_t buffer_read_binary(struct line_buffer *buf, struct strbuf *sb, size_t len);26/* Returns number of bytes read (not necessarily written). */27off_t buffer_copy_bytes(struct line_buffer *buf, off_t len);28off_t buffer_skip_bytes(struct line_buffer *buf, off_t len);2930#endif