787     rettv->v_type = VAR_STRING;  in f_chdir()
790     if (argvars[0].v_type != VAR_STRING)  in f_chdir()
849     if (argvars[1].v_type != VAR_UNKNOWN)  in f_delete()
891     rettv->v_type = VAR_STRING;  in f_exepath()
954     rettv->v_type = VAR_STRING;  in findfilendir()
958 		|| (argvars[1].v_type != VAR_UNKNOWN  in findfilendir()
965     if (argvars[1].v_type != VAR_UNKNOWN)  in findfilendir()
975 	    if (argvars[2].v_type != VAR_UNKNOWN)  in findfilendir()
987 	    if (rettv->v_type == VAR_STRING || rettv->v_type == VAR_LIST)  in findfilendir()
998 	    if (fresult != NULL && rettv->v_type == VAR_LIST)  in findfilendir()
1001 	} while ((rettv->v_type == VAR_LIST || --count > 0) && fresult != NULL);  in findfilendir()
1004     if (rettv->v_type == VAR_STRING)  in findfilendir()
1056     rettv->v_type = VAR_STRING;  in f_fnamemodify()
1089     rettv->v_type = VAR_STRING;  in f_getcwd()
1094 		|| (argvars[0].v_type != VAR_UNKNOWN  in f_getcwd()
1098     if (argvars[0].v_type == VAR_NUMBER  in f_getcwd()
1100 	    && argvars[1].v_type == VAR_UNKNOWN)  in f_getcwd()
1106 					   && argvars[0].v_type != VAR_UNKNOWN)  in f_getcwd()
1109 					   && argvars[0].v_type != VAR_UNKNOWN)  in f_getcwd()
1113 	if (globaldir != NULL && argvars[0].v_type != VAR_UNKNOWN)  in f_getcwd()
1167     rettv->v_type = VAR_STRING;  in f_getfperm()
1264     rettv->v_type = VAR_STRING;  in f_getftype()
1283 		|| (argvars[1].v_type != VAR_UNKNOWN  in f_glob()
1285 			|| (argvars[2].v_type != VAR_UNKNOWN  in f_glob()
1291     rettv->v_type = VAR_STRING;  in f_glob()
1292     if (argvars[1].v_type != VAR_UNKNOWN)  in f_glob()
1296 	if (argvars[2].v_type != VAR_UNKNOWN)  in f_glob()
1300 	    if (argvars[3].v_type != VAR_UNKNOWN  in f_glob()
1311 	if (rettv->v_type == VAR_STRING)  in f_glob()
1343     rettv->v_type = VAR_STRING;  in f_glob2regpat()
1365 		|| (argvars[2].v_type != VAR_UNKNOWN  in f_globpath()
1367 			|| (argvars[3].v_type != VAR_UNKNOWN  in f_globpath()
1375     rettv->v_type = VAR_STRING;  in f_globpath()
1376     if (argvars[2].v_type != VAR_UNKNOWN)  in f_globpath()
1380 	if (argvars[3].v_type != VAR_UNKNOWN)  in f_globpath()
1384 	    if (argvars[4].v_type != VAR_UNKNOWN  in f_globpath()
1393 	if (rettv->v_type == VAR_STRING)  in f_globpath()
1464 		|| (argvars[1].v_type != VAR_UNKNOWN  in f_mkdir()
1476     if (argvars[1].v_type != VAR_UNKNOWN)  in f_mkdir()
1478 	if (argvars[2].v_type != VAR_UNKNOWN)  in f_mkdir()
1512     if (argvars[1].v_type != VAR_UNKNOWN)  in f_pathshorten()
1519     rettv->v_type = VAR_STRING;  in f_pathshorten()
1551 	argv[0].v_type = VAR_STRING;  in checkitem_common()
1557 	argv[0].v_type = VAR_DICT;  in checkitem_common()
1565     if (rettv.v_type == VAR_SPECIAL || rettv.v_type == VAR_BOOL)  in checkitem_common()
1567 	rettv.v_type = VAR_NUMBER;  in checkitem_common()
1600     if (tv->v_type != VAR_DICT)  in readdirex_dict_arg()
1644 		|| (argvars[1].v_type != VAR_UNKNOWN  in f_readdir()
1651     if (argvars[1].v_type != VAR_UNKNOWN && argvars[2].v_type != VAR_UNKNOWN &&  in f_readdir()
1656 	    (expr->v_type == VAR_UNKNOWN) ? NULL : readdir_checkitem, sort);  in f_readdir()
1697 		|| (argvars[1].v_type != VAR_UNKNOWN  in f_readdirex()
1704     if (argvars[1].v_type != VAR_UNKNOWN && argvars[2].v_type != VAR_UNKNOWN &&  in f_readdirex()
1709 	    (expr->v_type == VAR_UNKNOWN) ? NULL : readdirex_checkitem, sort);  in f_readdirex()
1744     if (argvars[1].v_type != VAR_UNKNOWN)  in read_file_or_blob()
1751 	if (argvars[2].v_type != VAR_UNKNOWN)  in read_file_or_blob()
1843 		li->li_tv.v_type = VAR_STRING;  in read_file_or_blob()
1973 		|| (argvars[1].v_type != VAR_UNKNOWN  in f_readfile()
2188     rettv->v_type = VAR_STRING;  in f_resolve()
2199     rettv->v_type = VAR_STRING;  in f_tempname()
2252     if (argvars[0].v_type == VAR_LIST)  in f_writefile()
2262     else if (argvars[0].v_type == VAR_BLOB)  in f_writefile()
2275     if (argvars[2].v_type != VAR_UNKNOWN)  in f_writefile()
2535     rettv->v_type = VAR_STRING;  in f_browse()
2565     rettv->v_type = VAR_STRING;  in f_browsedir()