bool procedure_with_splits (void (*begin_func) (const struct ccase *, void *),
bool (*proc_func) (const struct ccase *, void *),
void (*end_func) (void *),
bool procedure_with_splits (void (*begin_func) (const struct ccase *, void *),
bool (*proc_func) (const struct ccase *, void *),
void (*end_func) (void *),