puffs_setblockingmode
puffs_setblockingmode(pu, PUFFSDEV_NONBLOCK);
int puffs_setblockingmode(struct puffs_usermount *, int);
if (puffs_setblockingmode(pu, PUFFSDEV_NONBLOCK) == -1)
if (puffs_setblockingmode(pu, PUFFSDEV_NONBLOCK) == -1)