rewinddir

相关函数opendir, closedir, readdir, telldir, seekdir

表头文件#include <dirent.h>

定义函数void rewinddir(DIR *dp);

函数说明rewinddir（）用来设置参数dir目录流目前的读取位置为原来开头的读取位置，没有返回值。EBADF dir为无效的目录流

范例#include<sys/types.h>

#include<dirent.h>

#include<unistd.h>

main()

{

DIR * dir;

struct dirent *ptr;

dir = opendir(“/etc/rc.d”);

while((ptr = readdir(dir))!=NULL)

{

printf(“d_name :%s

”,ptr->d_name);

}

rewinddir(dir);

printf(“readdir again!

”);

while((ptr = readdir(dir))!=NULL)

{

printf(“d_name: %s

”,ptr->d_name);

}

closedir(dir);

}