42 	rettv->vval.v_string = s;  in alloc_string_tv()
60 		func_unref(varp->vval.v_string);  in free_tv()
63 		vim_free(varp->vval.v_string);  in free_tv()
112 		func_unref(varp->vval.v_string);  in clear_tv()
115 		VIM_CLEAR(varp->vval.v_string);  in clear_tv()
207 	    if (varp->vval.v_string != NULL)  in tv_get_bool_or_number_chk()
208 		vim_str2nr(varp->vval.v_string, NULL, NULL,  in tv_get_bool_or_number_chk()
379     if (args[idx].vval.v_string == NULL || *args[idx].vval.v_string == NUL)  in check_for_nonempty_string_arg()
946 	    if (varp->vval.v_string != NULL)  in tv_get_string_buf_chk_strict()
947 		return varp->vval.v_string;  in tv_get_string_buf_chk_strict()
1009 	return tmp.vval.v_string;  in tv_stringify()
1089 	    if (from->vval.v_string == NULL)  in copy_tv()
1090 		to->vval.v_string = NULL;  in copy_tv()
1093 		to->vval.v_string = vim_strsave(from->vval.v_string);  in copy_tv()
1095 		    func_ref(to->vval.v_string);  in copy_tv()
1433 	ret = vim_strsave(arg->vval.v_string == NULL ? (char_u *)""  in typval_tostring()
1434 							 : arg->vval.v_string);  in typval_tostring()
1474     s1 = tv1->v_type == VAR_FUNC ? tv1->vval.v_string  in func_equal()
1478     s2 = tv2->v_type == VAR_FUNC ? tv2->vval.v_string  in func_equal()
1610 	    return tv1->vval.v_string == tv2->vval.v_string;  in tv_equal()
1676 	    rettv->vval.v_string = NULL;  in eval_option()
1700 	    rettv->vval.v_string = stringval;  in eval_option()
1882     rettv->vval.v_string = alloc(len);  in eval_string()
1883     if (rettv->vval.v_string == NULL)  in eval_string()
1885     end = rettv->vval.v_string;  in eval_string()
1960 				  if (end >= rettv->vval.v_string + len)  in eval_string()
2023     rettv->vval.v_string = str;  in eval_lit_string()
2103 	rettv->vval.v_string = string;  in eval_env_var()
2143 	    && argvars[0].vval.v_string != NULL  in tv_get_lnum_buf()
2144 	    && argvars[0].vval.v_string[0] == '$'  in tv_get_lnum_buf()
2156     char_u	*name = tv->vval.v_string;  in tv_get_buf()