NAMLEN
#define NAMLEN (sizeof (uts[0].ut_name) + 1)
# define NAMLEN(dirent) strlen((dirent)->d_name)
# define NAMLEN(dirent) (dirent)->d_namlen
# define NAMLEN(dirent) strlen((dirent)->d_name)
# define NAMLEN(dirent) (dirent)->d_namlen