extern char *find_real_root_device_name(void);
extern char *bb_get_line_from_file(FILE *file);
extern char *bb_get_chomped_line_from_file(FILE *file);
+extern char *bb_get_chunk_from_file(FILE *file);
extern int bb_copyfd_size(int fd1, int fd2, const off_t size);
extern int bb_copyfd_eof(int fd1, int fd2);
extern void bb_xprint_and_close_file(FILE *file);
extern const char * const bb_msg_memory_exhausted;
extern const char * const bb_msg_invalid_date;
extern const char * const bb_msg_io_error;
+extern const char * const bb_msg_read_error;
extern const char * const bb_msg_write_error;
extern const char * const bb_msg_name_longer_than_foo;
extern const char * const bb_msg_unknown;