typedef int line_handler_t(char *, void *);
int for_each_line(char *buf, size_t size, line_handler_t *line_handler,
void *private_data);
-int for_each_line_ro(char *buf, size_t size, line_handler_t line_handler,
+int for_each_line_ro(char *buf, size_t size, line_handler_t *line_handler,
void *private_data);
int para_atoi64(const char *str, int64_t *result);
int para_atoi32(const char *str, int32_t *value);