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转自:https://www.cnblogs.com/diegodu/p/3966332.html、 wait() 和 waitpid() wait() 系统调用挂起调用进程的执行直到有一个孩子终止。调用 wait(&status) 等价于: waitpid(-1, &status, 0); wai 阅读全文
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转自:https://blog.csdn.net/jiejinquanil/article/details/51789682 在MSDN中有如下说明: basic_string::nposstatic const size_type npos = -1;//定义The constant is the 阅读全文
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转载: https://blog.csdn.net/qq_42659468/article/details/90381985 https://www.cnblogs.com/xFreedom/archive/2011/05/16/2048037.html 阅读全文