__siginfohandler_t
sfp->sf_ahu.sf_action = (__siginfohandler_t *)func;
__siginfohandler_t *sigfunc;
act.sa_sigaction = (__siginfohandler_t *)&sigcancel_handler;
sf.sf_ahu.sf_action = (__siginfohandler_t *)catcher;
sf.sf_ahu.sf_action = (__siginfohandler_t *)catcher;
sf.sf_ahu.sf_action = (__siginfohandler_t *)catcher;
__siginfohandler_t *sf_action;
(__siginfohandler_t *)ps->ps_sigact[_SIG_IDX(sig)];
__siginfohandler_t *sf_action;
__siginfohandler_t *sf_action;