+#ifdef FSID_HAS_VAL
+/* encode f_fsid into a 64 bit value */
+#define FSID_TO_ULONG(f) \
+ ((((u_int64_t)(f).val[0] & 0xffffffffUL) << 32) | \
+ ((f).val[1] & 0xffffffffUL))
+#else
+# define FSID_TO_ULONG(f) ((f))
+#endif
+
+#if defined(__Lynx__)
+ /*
+ * LynxOS defines these in param.h which we do not want to include since
+ * it will also pull in a bunch of kernel definitions.
+ */
+# define ALIGNBYTES (sizeof(int) - 1)
+# define ALIGN(p) (((unsigned)p + ALIGNBYTES) & ~ALIGNBYTES)
+ /* Missing prototypes on LynxOS */
+ int snprintf (char *, size_t, const char *, ...);
+ int mkstemp (char *);
+ char *crypt (const char *, const char *);
+ int seteuid (uid_t);
+ int setegid (gid_t);
+ char *mkdtemp (char *);
+ int rresvport_af (int *, sa_family_t);
+ int innetgr (const char *, const char *, const char *, const char *);
+#endif