oldsighup          62 gtags-cscope/exec.c static	sighandler_t oldsighup; /**< old value of hangup signal */
oldsighup         152 gtags-cscope/exec.c 		oldsighup = signal(SIGHUP, SIG_IGN);
oldsighup         188 gtags-cscope/exec.c 	signal(SIGHUP, oldsighup);