/* Convenience type when working with signal handlers. */
typedef void (*sa_handler_t) (int);
/* Return the handler of a signal, as a sa_handler_t value regardless
of its true type. The resulting function can be compared to
special values like SIG_IGN but it is not portable to call it. */
/* Convenience type when working with signal handlers. */
typedef void (*sa_handler_t) (int);
/* Return the handler of a signal, as a sa_handler_t value regardless
of its true type. The resulting function can be compared to
special values like SIG_IGN but it is not portable to call it. */