556     char *s1, *phchar;  in clean()  local
560     s1 = temp;  in clean()
562     while (*s && s1 - temp < (off_t)(sizeof(temp) - 2 - add_return)) {  in clean()
567 		*s1++ = '^';  in clean()
572 		*s1++ = cur_chr;  in clean()
578 	    *s1++ = cur_chr;  in clean()
585 		*s1++ = '\\';  in clean()
586 		*s1++ = '\\';  in clean()
593 	    *s1++ = '\b';  in clean()
600 		*s1++ = cur_chr;  in clean()
608 		*s1++ = '\\';  in clean()
610 	    *s1++ = cur_chr;  in clean()
616 		    *s1++ = *phchar;  in clean()
619 		*s1++ = '\\';  in clean()
620 		*s1++ = 'T';  in clean()
627 		    *s1++ = *phchar;  in clean()
630 		*s1++ = '\\';  in clean()
631 		*s1++ = 'U';  in clean()
640 	    *s1++ = '\r';  in clean()
644 	    *s1++ = '\n';  in clean()
648 	    *s1++ = ' ';  in clean()
652 	    *s1++ = '\t';  in clean()
657 		*s1++ = '\\';  in clean()
658 		*s1++ = '\0';  in clean()
661 		*s1++ = 'N';  in clean()
678 			*s1++ = '\\';  in clean()
679 		    *s1++ = cur_chr;  in clean()
685 		*s1++ = '\\';  in clean()
686 	    *s1++ = cur_chr;  in clean()
692 	*s1++ = '\r';  in clean()
694     *s1++ = '\0'; /* guarantee closure */  in clean()
695     *s1++ = '\0'; /* terminate the string */  in clean()
696     return dup_mem (temp, (size_t) (s1 - temp)); /* may have embedded nuls */  in clean()
896 	char *s1;  in chat_send()  local
903 	s1 = clean(s, 0);  in chat_send()
905 	if (strlen(s1) > strlen(s)  in chat_send()
906 	    || strlen(s1) + 1 > sizeof(fail_buffer))  in chat_send()
909 	abort_string[n_aborts++] = s1;  in chat_send()
917 	char *s1;  in chat_send()  local
924 	s1 = clean(s, 0);  in chat_send()
926 	if (strlen(s1) > strlen(s)  in chat_send()
927 	    || strlen(s1) + 1 > sizeof(fail_buffer))  in chat_send()
932 	    if ( strcmp(s1,abort_string[i]) == 0 ) {  in chat_send()
941         free(s1);  in chat_send()
948 	char *s1;  in chat_send()  local
954 	s1 = clean(s, 0);  in chat_send()
956 	if (strlen(s1) > strlen(s) || strlen(s1) > sizeof fail_buffer - 1)  in chat_send()
959 	report_string[n_reports++] = s1;  in chat_send()
967 	char *s1;  in chat_send()  local
974 	s1 = clean(s, 0);  in chat_send()
976 	if (strlen(s1) > strlen(s) || strlen(s1) > sizeof fail_buffer - 1)  in chat_send()
981 	    if ( strcmp(s1,report_string[i]) == 0 ) {  in chat_send()
990         free(s1);  in chat_send()