scandir example

main.c

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

int main(void) {
    struct dirent **namelist;
    int n = scandir(".", &namelist, NULL, alphasort);
    if (n < 0) {
        perror("scandir");
    } else {
        for (int i = 0; i < n; i++) {
            printf("%s\n", namelist[i]->d_name);
            free(namelist[i]);
        }
        free(namelist);
    }
}