initial_handler   645 src/sdiff.c    	    if (initial_handler (handler_index_of_SIGINT) != SIG_IGN)
initial_handler   776 src/sdiff.c          if (initial_handler (i) != SIG_IGN)
initial_handler   796 src/sdiff.c          if ((! s || sigs[i] == s)  &&  initial_handler (i) != SIG_IGN)