ex05-04-01.c

#include <sys/types.h>
#include <dirent.h>
#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>

int main() {

    DIR *dirp;
    struct dirent *dentry;

    if((dirp=opendir(".")) == NULL) {
        exit(1);
    }

    while (dentry = readdir(dirp)) {
        if ((dentry->d_ino != 0))
            printf("%s\n", dentry->d_name);
    }

    rewinddir(dirp);
    printf("deleted files ...");
    while(dentry = readdir(dirp)) {
	    if(dentry -> d_ino == 0)
		    printf("%s\n", dentry->d_name);
    }

    closedir(dirp);
}