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abbr.无事（美国信息交换标准码）; 无事（美国标准电码表中控制字母含义）；零信号 双语例句 In theory, strncpy ( 3) is the safe replacement for strcpy ( 3), but strncpy ( 3) also fills the entire destination with NULs once the end of the source string has been met. 从理论上讲...

发布时间：2026-06-11 浏览量：0 nul