475     vimconv_T	vimconv;  in mb_init()  local
639     vimconv.vc_type = CONV_NONE;  in mb_init()
645 	    convert_setup(&vimconv, p_enc, (char_u *)"utf-8");  in mb_init()
646 	    vimconv.vc_fail = TRUE;  in mb_init()
686 		if (vimconv.vc_type != CONV_NONE)  in mb_init()
692 		    p = string_convert(&vimconv, (char_u *)buf, NULL);  in mb_init()
725     convert_setup(&vimconv, NULL, NULL);  in mb_init()
4152     vimconv_T	vimconv;  in utf_find_illegal()  local
4155     vimconv.vc_type = CONV_NONE;  in utf_find_illegal()
4161 	convert_setup(&vimconv, p_enc, curbuf->b_p_fenc);  in utf_find_illegal()
4168 	if (vimconv.vc_type != CONV_NONE)  in utf_find_illegal()
4171 	    tofree = string_convert(&vimconv, p, NULL);  in utf_find_illegal()
4185 		if (vimconv.vc_type == CONV_NONE)  in utf_find_illegal()
4214     convert_setup(&vimconv, NULL, NULL);  in utf_find_illegal()
4975     vimconv_T	vimconv;  in f_iconv()  local
4989     vimconv.vc_type = CONV_NONE;  in f_iconv()
4990     convert_setup(&vimconv, from, to);  in f_iconv()
4993     if (vimconv.vc_type == CONV_NONE)  in f_iconv()
4996 	rettv->vval.v_string = string_convert(&vimconv, str, NULL);  in f_iconv()
4998     convert_setup(&vimconv, NULL, NULL);  in f_iconv()