ping_prog
static int ping_prog(struct netbuf *, uint_t prog, uint_t vers,
if (ping_prog(args->addr, NFS_PROGRAM, NFS_V4, IPPROTO_TCP,
if (ping_prog(sa, NFS_PROGRAM, NFS_VERSION, IPPROTO_TCP, NULL))
if (ping_prog(sa, NFS_PROGRAM, NFS_V3, IPPROTO_TCP, NULL)) {