542   char *opt_sig;  in parse_signal_action_params()  local
558   opt_sig = strtok (optarg_writable, ",");  in parse_signal_action_params()
559   while (opt_sig)  in parse_signal_action_params()
561       int signum = operand2sig (opt_sig, signame);  in parse_signal_action_params()
564         error (0, 0, _("%s: invalid signal"), quote (opt_sig));  in parse_signal_action_params()
570       opt_sig = strtok (nullptr, ",");  in parse_signal_action_params()
624   char *opt_sig;  in parse_block_signal_params()  local
647   opt_sig = strtok (optarg_writable, ",");  in parse_block_signal_params()
648   while (opt_sig)  in parse_block_signal_params()
650       int signum = operand2sig (opt_sig, signame);  in parse_block_signal_params()
653         error (0, 0, _("%s: invalid signal"), quote (opt_sig));  in parse_block_signal_params()
660       opt_sig = strtok (nullptr, ",");  in parse_block_signal_params()