extern long gvpriw(long index);
extern int rspriw(long size);
extern double gvprfw(long index);
extern void svprfw(long index, double value);
extern int rsprfw(long size);
extern void pgnprm(long n);
extern void pgnmul (long n, long ncat);
extern int psetmn(long p);
extern int pgenmn(void);
extern void salfph(char* phrase);