03-27-2008
opendir() returns a pointer to a dir stream. readdir() is invoked in a loop afterwards to read the contents of the opened dir stream. Each dir entry is passed from readdir() to stat() which stores information in a stat structure. The S_ISDIR() macro can be used to test whether the stat structure is a dir or not. Look at the manpages of opendir() readdir() and stat().
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code:
#include<iostream>
#include <dirent.h>
using namespace std;
int main()
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struct dirent * abcd;
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}
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output : this gives the output of Directory "/"
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code:
#include<iostream>
#include <dirent.h>
using namespace std;
int main()
{
DIR*dir;
dir = opendir("/");
if (dir !=NULL)
{
struct dirent * abcd;
while ((abcd=readdir (dir))!=NULL)
{
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}
}}
output : this gives the output of Directory "/"
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LEARN ABOUT OPENSOLARIS
rewinddir
rewinddir(3C) Standard C Library Functions rewinddir(3C)
NAME
rewinddir - reset position of directory stream to the beginning of a directory
SYNOPSIS
#include <sys/types.h>
#include <dirent.h>
void rewinddir(DIR *dirp);
DESCRIPTION
The rewinddir() function resets the position of the directory stream to which dirp refers to the beginning of the directory. It also causes
the directory stream to refer to the current state of the corresponding directory, as a call to opendir(3C) would have done. If dirp does
not refer to a directory stream, the effect is undefined.
After a call to the fork(2) function, either the parent or child (but not both) may continue processing the directory stream using read-
dir(3C), rewinddir() or seekdir(3C). If both the parent and child processes use these functions, the result is undefined.
RETURN VALUES
The rewinddir() function does not return a value.
ERRORS
No errors are defined.
USAGE
The rewinddir() function should be used in conjunction with opendir(), readdir(), and closedir(3C) to examine the contents of the direc-
tory. This method is recommended for portability.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Interface Stability |Standard |
+-----------------------------+-----------------------------+
|MT-Level |Safe |
+-----------------------------+-----------------------------+
SEE ALSO
fork(2), closedir(3C), opendir(3C), readdir(3C), seekdir(3C), attributes(5), standards(5)
SunOS 5.11 14 Aug 2002 rewinddir(3C)