93     struct condition * conda, * condb, * prev = NULL;  in remove_bang()  local
95     for ( conda = condition; conda; conda = conda->next )  in remove_bang()
97 	if ( conda->op == op_bang && conda->next &&  in remove_bang()
98 	   ( condb = conda->next->next ) )  in remove_bang()
103 		conda->op = op_nuked;  in remove_bang()
106 		    prev->next = conda->next;  in remove_bang()
110 		    condition = conda->next;  in remove_bang()
112 		conda->next = NULL;  in remove_bang()
113 		free_cond( conda );  in remove_bang()
114 		conda = condb;  in remove_bang()
117 	prev = conda;  in remove_bang()