NLEN
#define GENERIC_DIRSIZ(NLEN) \
((sizeof (struct dirent) - (MAXNAMLEN+1)) + ((NLEN+1 + 7) &~ 7))
#define GENERIC_DIRSIZ(NLEN) \
((sizeof (struct dirent) - (MAXNAMLEN+1)) + ((NLEN+1 + 7) &~ 7))
char nbuf[NLEN+1];
if (len > NLEN)
len = NLEN;
char xbuf[NLEN+3];