DIR* ptr_dir = opendir(c_Localpath);

char** c_namesLocal = calloc(1, 256);

    size_t numElements = 0;
    int returnCode =0;
    struct dirent ptr_PrevDirEntry;
    struct dirent* ptr_DirEntry = NULL;
    returnCode = readdir_r(ptr_dir, &ptr_PrevDirEntry,
            &ptr_DirEntry);

    while ((returnCode ==0) && (ptr_DirEntry != NULL)) {
        char* name = c_namesLocal[numElements];
        strcpy(name, ptr_DirEntry->d_name);
        ptr_PrevDirEntry = *ptr_DirEntry;
        returnCode = readdir_r(ptr_dir, &ptr_PrevDirEntry,
                &ptr_DirEntry);
        numElements++;
        c_namesLocal = realloc(c_namesLocal, 256 * numElements);
    }

char* name = c_namesLocal[numElements];
strcpy(name, ptr_DirEntry->d_name);

// You no longer need '*name'
c_namesLocal[numElements] = strdup(ptr_DirEntry->d_name);

if (NULL == (c_namesLocal[numElements] = strdup(ptr_DirEntry->d_name)))
{
    // signal out of memory and return
}

DIR* ptr_dir = opendir(c_Localpath);

char** c_namesLocal = calloc(1, 256);

size_t numElements = 0;
int returnCode =0;
struct dirent *ptr_PrevDirEntry = NULL;
struct dirent *ptr_DirEntry = NULL;
int len_entry;

len_entry = offsetof(struct dirent, d_name) + fpathconf(dirfd(ptr_dir), _PC_NAME_MAX) + 1;
ptr_PrevDirEntry = malloc(len_entry);

if(!ptr_PrevDirEntry)
        exit(0);

for(;;){
        readdir_r(ptr_dir, ptr_PrevDirEntry, &ptr_DirEntry);
        if(!ptr_DirEntry)
            break;
        else
        {
            char* name = c_namesLocal[numElements];
            //Perform copying or do whatever you want with the file entry read from the dir "c_Localpath"
            strcpy(name, ptr_DirEntry->d_name);
            numElements++;
            c_namesLocal = realloc(c_namesLocal, 256 * numElements);
        }
 }

 //free "ptr_PrevDirEntry" before returning and take care of "c_namesLocal" as well.