Opendir() and readdir() UNIX System Call

#include  <stdio.h>

#include  <stdlib.h>

#include  <sys/types.h>

#include  <unistd.h>

#include <dirent.h>

int main(int argc,char *argv[])

{

DIR* proc_listing;

char *name;

struct dirent* proc_entry;

proc_listing = opendir (argv[1]);

while((proc_entry = readdir (proc_listing))!=NULL)

{

name=proc_entry->d_name;

printf("\n%s",name);

}

return 0;

}

Output:

    [telnet29@linux ~]$ ./a.out  /

    [telnet50@linux ~]$ ./a.out  /

misc

boot

opt

mnt

..

srv

net

lost+found

lib

.

etc

sbin

proc

tmp

media

sys

selinux

.autofsck

var

root

dev

bin

usr