短語(yǔ)詞組短語(yǔ)null character Null 字符complementary null character 互補(bǔ)空字符null character string [計(jì)]空字符串;翻譯;空字符串;空字符行null -terminated character string Null 終端字符字符串terminated character string Null 終端字符字符串 返回 null character