135 	char **ap;  in trapcmd()  local
148 	ap = argv + 1;  in trapcmd()
152 	if (strcmp(*ap, "--") == 0)  in trapcmd()
153 		if (*++ap == NULL)  in trapcmd()
156 	if (signame_to_signum(*ap) == -1) {  in trapcmd()
157 		if ((*ap)[0] == '-') {  in trapcmd()
158 			if ((*ap)[1] == '\0')  in trapcmd()
159 				ap++;  in trapcmd()
160 			else if ((*ap)[1] == 'l' && (*ap)[2] == '\0') {  in trapcmd()
165 				error("bad option %s\n", *ap);  in trapcmd()
168 			action = *ap++;  in trapcmd()
171 	while (*ap) {  in trapcmd()
172 		if (is_number(*ap))  in trapcmd()
173 			signo = number(*ap);  in trapcmd()
175 			signo = signame_to_signum(*ap);  in trapcmd()
178 			error("%s: bad trap", *ap);  in trapcmd()
192 		ap++;  in trapcmd()