void
sortit (double *a, int *ind, int len);
double
median (double *a, int n);
int
compit (int *a1, int *a2);
void
isortit (int *a, int *ind, int len);
int
icompit (int *a1, int *a2);
void
invperm (int *a, int *b, int n);
int
ipcompit (int *a1, int *a2);
int
compiarr (int *a, int *b, int len);
void
ipsortit (int **a, int *ind, int len, int rlen);
void
ipsortitp (int **a, int *ind, int len, int rlen, int *pp);
void
setorder (int *pp, int rlen);

