INFOUND
statemap[lfdir] |= INFOUND;
statemap[lfdir] |= INFOUND;
statemap[lfdir] |= INFOUND;
#define DFOUND (DSTATE | INFOUND)
#define S_IS_DVALID(state) (((state) & (DSTATE | INZLINK | INFOUND | \
statemap[dirp->d_ino] &= ~INFOUND;