FTW_PHYS
if (ftwflags & FTW_PHYS)
if (ftwflags & FTW_PHYS)
ftwflags = FTW_PHYS|FTW_DEPTH;
if ((ftwflags & FTW_PHYS) != 0)
ftwflags = FTW_PHYS;
if (ftwflags & FTW_PHYS)
ret = nftw(path, compare_function, 1, FTW_PHYS|FTW_MOUNT);