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#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <sys/stat.h>
#include <unistd.h>
#include <fcntl.h>
#include <dirent.h>
#include <string.h>
#include <time.h>

int numOfEntry(char *path)
{
    int count = 0;
    DIR *dir = opendir(path);
    struct dirent *entry;

    while ((entry = readdir(dir)) != NULL)
    {

        if (!strcmp(entry->d_name, ".") || !strcmp(entry->d_name, ".."))
            continue;

        count++;
    }

    closedir(dir);

    return count;
}

int main(int argc, char **argv)
{

    if (argc < 2)
    {
        printf("Pass the path as an argument to the program");
        exit(1);
    }

    char *path = argv[1];

    DIR *dir = opendir(path);
    if (dir == NULL)
    {
        printf("The path passed is invalid");
        return -1;
    }
    struct dirent *entry;

    while ((entry = readdir(dir)) != NULL)
    {

        if (!strcmp(entry->d_name, ".") || !strcmp(entry->d_name, ".."))
            continue;

        if (entry->d_type == DT_DIR)
        {
            char next[strlen(path) + strlen(entry->d_name) + 2];
            next[0] = '\0';
            strcat(next, path);
            strcat(next, "/");
            strcat(next, entry->d_name);
            printf("Directory: %s\n\tEntries: %d\n", entry->d_name, numOfEntry(next));
        }
        else if (entry->d_type == DT_REG)
        {
            struct stat *buf = (struct stat *)malloc(sizeof(struct stat));
            stat(entry->d_name, buf);
            printf("Regular File: %s\n\tOwner: %d\n\tSize: %f\n\tInode: %llu\n",
                   entry->d_name, buf->st_uid, (double)buf->st_size, buf->st_ino);
            free(buf);
        }
        else
        {
            printf("File: %s\n\tType:%hhu\n", entry->d_name, entry->d_type);
        }
    }

    closedir(dir);
    return 0;
}