/** yaz_log_mask_str_x is like yaz_log_mask_str, but with a given start value*/
YAZ_EXPORT int yaz_log_mask_str_x(const char *str, int level);
/** yaz_log_mask_str_x is like yaz_log_mask_str, but with a given start value*/
YAZ_EXPORT int yaz_log_mask_str_x(const char *str, int level);