SR_API gboolean sr_parse_boolstring(const char *boolstring);
SR_API int sr_parse_period(const char *periodstr, uint64_t *p, uint64_t *q);
SR_API int sr_parse_voltage(const char *voltstr, uint64_t *p, uint64_t *q);
SR_API gboolean sr_parse_boolstring(const char *boolstring);
SR_API int sr_parse_period(const char *periodstr, uint64_t *p, uint64_t *q);
SR_API int sr_parse_voltage(const char *voltstr, uint64_t *p, uint64_t *q);