8 int log_get_attr(struct log *this_, enum attr_type type, struct attr *attr, struct attr_iter *iter);
9 struct log *log_new(struct attr **attrs);
10 void log_set_header(struct log *this_, char *data, int len);
11 void log_set_trailer(struct log *this_, char *data, int len);
12 void log_write(struct log *this_, char *data, int len);
13 void log_destroy(struct log *this_);
14 /* end of prototypes */