__extern int getfsuid(uid_t);
__extern int setfsuid(uid_t);
+/* Macros for access() */
+#define R_OK 4 /* Read */
+#define W_OK 2 /* Write */
+#define X_OK 1 /* Execute */
+#define F_OK 0 /* Existence */
+
__extern int access(const char *, int);
__extern int link(const char *, const char *);
__extern int unlink(const char *);