bool parse_button_index(char *s, int8_t *b);
bool parse_pointer_action(char *s, pointer_action_t *a);
bool parse_child_polarity(char *s, child_polarity_t *p);
+bool parse_state_transition(char *s, state_transition_t *m);
bool parse_tightness(char *s, tightness_t *t);
bool parse_degree(char *s, int *d);
bool parse_id(char *s, uint32_t *id);