VIOC_SYSCALL_DEV_OPENAFS
#ifdef VIOC_SYSCALL_DEV_OPENAFS
if (try_ioctlpath(env,VIOC_SYSCALL_DEV_OPENAFS,MACOS_DEV_POINT) ==0)
#ifdef VIOC_SYSCALL_DEV_OPENAFS
VIOC_SYSCALL_DEV_OPENAFS, MACOS_DEV_POINT);