try_ioctlpath
if (try_ioctlpath(env, VIOC_SYSCALL_PROC, LINUX_PROC_POINT) == 0)
if (try_ioctlpath(env, VIOC_SYSCALL_DEV, MACOS_DEV_POINT) == 0)
if (try_ioctlpath(env,VIOC_SYSCALL_DEV_OPENAFS,MACOS_DEV_POINT) ==0)
ret = try_ioctlpath("/proc/fs/openafs/afs_ioctl",
ret = try_ioctlpath("/proc/fs/nnpfs/afs_ioctl",
ret = try_ioctlpath("/dev/openafs_ioctl",
ret = try_ioctlpath("/dev/nnpfs_ioctl", VIOC_SYSCALL_DEV, MACOS_DEV_POINT);