void dbacc(double*,long,long,long*,long,long,long*,
	long*);
void dbsol(long,double*,long,long,long,long,double[],
	long,double*,long*);
void derv1(STRING,double,byte);
void dsbasd(long,long,double[],double,long,double[]);
void dsfit(double[],double[],double[],long,long,long,double[],
	double[],double*,long*,long,double*);
void ermsg(STRING,long,long,STRING,byte);
void ierm1(STRING,long,long,STRING,STRING,long,byte);
void ierv1(STRING,long,byte);