程式語言 - GNU - C/C++ - Open Directory

參考資訊：
https://www.ibm.com/docs/en/zos/3.1.0?topic=functions-opendir-open-directory

main.c

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

int main (int argc, char *argv[])
{
    DIR *dir = NULL;
    struct dirent *ent = NULL;

    dir = opendir("/tmp");

    while ((ent = readdir(dir)) != NULL) {
        printf("%s\n", ent->d_name);
    }

    closedir(dir);
    return 0;
}