if ((savesig = sigset(SIGINT, SIG_IGN)) != SIG_IGN)
sigset(SIGINT, hf ? intack : collrub), sighold(SIGINT);
if ((savehup = sigset(SIGHUP, SIG_IGN)) != SIG_IGN)
if ((savesig = sigset(SIGINT, SIG_IGN)) != SIG_IGN)
sigset(SIGINT, hf ? intack : collrub), sighold(SIGINT);
if ((savehup = sigset(SIGHUP, SIG_IGN)) != SIG_IGN)