/*
     Illustration of how to read directory entries from a given directory

     See man pages:  (5) dir [documents dirent]
                     (3) opendir, readdir

     Some example file types:
                     DT_DIR : directory type
                     DT_REG : regular file
                     DT_LNK : link file
 */

#include <stdio.h>
#include <stdlib.h>
#include <dirent.h>

int main(int argc, char *argv[ ]) {
    char *desiredDirectory = ".";   /* current working directory */
    
    DIR *d;                 /* the directory stream */
    struct dirent *entry;   /* holds one entry of the directory */

    /* attempt to open a directory stream for the desired directory */
    if ((d = opendir(desiredDirectory)) != NULL) {
        /* Success:  now display the names of all files and directories */
        while ((entry = readdir(d)) != NULL) {
            printf ("%s\n", entry->d_name);
        }
        closedir(d);
    } else {
        /* Failure: could not open the directory; issue error message and quit*/
        perror (argv[0]);
        return EXIT_FAILURE;
    }
    return EXIT_SUCCESS;
}