opendir c

Opendir functionHeader files: #include #include Function: DIR *opendir (const char *name);Meaning: Opendir () is used to open the directory specified by the parameter name, and returns the directory stream of the dir* pattern, similar to open (),

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Determines whether the directory is empty, true is null, false is not empty function Is_empty_dir ($fp) {$H = @ opendir ($fp), $i =0, while ($_file=readdir ($H)) {$i + +;} Closedir ($H); if ($i >2) {return false;} Else{return true;}} 1. Determine if

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Directory operation function 1) closedir close directoryCorrelation function: OpendirTable header files: #include #include define function: int closedir (DIR *dir);Function Description: Closedir () closes the directory stream that the parameter dir

Determines whether the directory is empty, true is null, false is not empty function Is_empty_dir ($fp) {$H = @ opendir ($fp), $i =0, while ($_file=readdir ($H)) {$i + +;} Closedir ($H); if ($i >2) {return false;} Else{return true;}} 1. Determine if

Are the simplest to remember.This is my git address: HTTPS://GITHUB.COM/YANJINYUN/CLANGUAGETCPUDPThe simplest server for TCP:intMainintargcConst Char*argv[]) { intLISTENFD, ACCEPTFD; structsockaddr_in sin, cin; Socklen_t Clen; Charbuf[1024x768]

Original address: https://www.cnblogs.com/shiyanlou/p/6098661.htmlKnow: https://www.zhihu.com/question/20564904C language is most of us in the programming of the language, but also familiar with it, but many beginners in the process of learning will