typedef void signal_notify_fn(void *cst, int signum);
extern pid_t makesubproc(process_entry_fn *entry, process_callback_fn *cb,
- void *est, void *cbst, string_t desc);
+ void *est, void *cbst, cstring_t desc);
extern void request_signal_notification(int signum, signal_notify_fn *notify,
void *cst);