perror
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The perror () and strerror () functions that pull standard error descriptions come from the global variable , sys_errlist .
引出标准错误描述的perror()和strerror()函数来自syserrlist全局变量。
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The perror function ( see " man perror ") accepts a single string argument , which is provided for customizing the message .
perror(请参阅“manperror”)接受单个字符串参数。
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The perror () and strerror () / strerror_r () functions are probably the most commonly used error reporting methods when dealing with standard errno values .
在处理标准errno值时,perror()和strerror()/strerrorr()函数可能是最常用的错误报告方法。
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It shows appropriate use of some system calls and library functions from C , including fopen , fclose , access , setvbuf , perror , strerror , and popen .
它演示了对一些系统调用和C库函数的适当使用,其中包括fopen、fclose、access、setvbuf、perror、strerror和popen。