PUFFS_TYPEPREFIX
#define TYPESIZE (sizeof(PUFFS_TYPEPREFIX)-1)
PUFFS_TYPEPREFIX, TYPESIZE) == 0) {
strncmp(vfstype, PUFFS_TYPEPREFIX, sizeof(PUFFS_TYPEPREFIX)-1) == 0)
#define PUFFS_TYPELEN (_VFS_NAMELEN - (sizeof(PUFFS_TYPEPREFIX)+1))
(void)strlcpy(fstype, PUFFS_TYPEPREFIX, sizeof(fstype));