GSList *parse_channelstring(struct sr_dev_inst *sdi, const char *channelstring);
int parse_triggerstring(const struct sr_dev_inst *sdi, const char *s,
struct sr_trigger **trigger);
GSList *parse_channelstring(struct sr_dev_inst *sdi, const char *channelstring);
int parse_triggerstring(const struct sr_dev_inst *sdi, const char *s,
struct sr_trigger **trigger);