C Program to print current directories filesnames and lengths

test_linux.c

#include <stdio.h>
#include <string.h>
#include <sys/types.h>
#include <dirent.h>

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

    DIR *d = opendir(".");

    struct dirent *entry = NULL;
    while(entry = readdir(d)) {
        printf("%d %s\n", strlen(entry->d_name), entry->d_name);

    }

    closedir(d);
    
    return 0;
}

test_osx.c

// OS X version

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

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

    DIR *d = opendir(".");

    struct dirent *entry = NULL;
    while(entry = readdir(d)) {
        printf("%d %s\n", entry->d_namlen, entry->d_name);
    }

    closedir(d);
    
    return 0;
}