788     rettv->vval.v_string = NULL;  in f_chdir()
808 	    rettv->vval.v_string = vim_strsave(cwd);  in f_chdir()
818     if (!changedir_func(argvars[0].vval.v_string, TRUE, scope))  in f_chdir()
820 	VIM_CLEAR(rettv->vval.v_string);  in f_chdir()
892     rettv->vval.v_string = p;  in f_exepath()
953     rettv->vval.v_string = NULL;  in findfilendir()
1005 	rettv->vval.v_string = fresult;  in findfilendir()
1058 	rettv->vval.v_string = NULL;  in f_fnamemodify()
1060 	rettv->vval.v_string = vim_strnsave(fname, len);  in f_fnamemodify()
1090     rettv->vval.v_string = NULL;  in f_getcwd()
1107 	rettv->vval.v_string = vim_strsave(wp->w_localdir);  in f_getcwd()
1110 	rettv->vval.v_string = vim_strsave(tp->tp_localdir);  in f_getcwd()
1114 	    rettv->vval.v_string = vim_strsave(globaldir);  in f_getcwd()
1121 		    rettv->vval.v_string = vim_strsave(cwd);  in f_getcwd()
1127     if (rettv->vval.v_string != NULL)  in f_getcwd()
1128 	slash_adjust(rettv->vval.v_string);  in f_getcwd()
1170     rettv->vval.v_string = perm;  in f_getfperm()
1267     rettv->vval.v_string = type;  in f_getftype()
1312 	    rettv->vval.v_string = ExpandOne(&xpc, tv_get_string(&argvars[0]),  in f_glob()
1327 	rettv->vval.v_string = NULL;  in f_glob()
1344     rettv->vval.v_string = (pat == NULL)  in f_glob2regpat()
1394 	    rettv->vval.v_string = ga_concat_strings(&ga, "\n");  in f_globpath()
1402 	rettv->vval.v_string = NULL;  in f_globpath()
1523 	rettv->vval.v_string = NULL;  in f_pathshorten()
1527 	rettv->vval.v_string = p;  in f_pathshorten()
1552 	argv[0].vval.v_string = name;  in checkitem_common()
1845 		li->li_tv.vval.v_string = s;  in read_file_or_blob()
2001 	    rettv->vval.v_string = v;  in f_resolve()
2003 	    rettv->vval.v_string = vim_strsave(p);  in f_resolve()
2060 		    rettv->vval.v_string = NULL;  in f_resolve()
2175 	rettv->vval.v_string = p;  in f_resolve()
2178     rettv->vval.v_string = vim_strsave(p);  in f_resolve()
2182     simplify_filename(rettv->vval.v_string);  in f_resolve()
2200     rettv->vval.v_string = vim_tempname(x, FALSE);  in f_tempname()
2527 	rettv->vval.v_string = NULL;  in f_browse()
2529 	rettv->vval.v_string =  in f_browse()
2533     rettv->vval.v_string = NULL;  in f_browse()
2558 	rettv->vval.v_string = NULL;  in f_browsedir()
2560 	rettv->vval.v_string = do_browse(BROWSE_DIR,  in f_browsedir()
2563     rettv->vval.v_string = NULL;  in f_browsedir()