+char *realpath (const char *, char *);
+char *l64a (long);
+long a64l (const char *);
+void setkey (const char *);
+long int random (void);
+void srandom (unsigned int);
+char *initstate (unsigned int, char *, size_t);
+char *setstate (char *);
+double drand48 (void);
+double erand48 (unsigned short [3]);
+long int lrand48 (void);
+long int nrand48 (unsigned short [3]);
+long mrand48 (void);
+long jrand48 (unsigned short [3]);
+void srand48 (long);
+unsigned short *seed48 (unsigned short [3]);
+void lcong48 (unsigned short [7]);
+#endif