int gsl_sf_hyperg_0F1_e(double c,double x,double* result);
double gsl_sf_hyperg_0F1(double c,double x);
int gsl_sf_hyperg_1F1_int_e(int m,int n,double x,double* result);
double gsl_sf_hyperg_1F1_int(int m,int n,double x);
int gsl_sf_hyperg_1F1_e(double a,double b,double x,double* result);
double gsl_sf_hyperg_1F1(double a,double b,double x);
int gsl_sf_hyperg_U_int_e(int m,int n,double x,double* result);
double gsl_sf_hyperg_U_int(int m,int n,double x);
int gsl_sf_hyperg_U_int_e10_e(int m,int n,double x,double* result);
int gsl_sf_hyperg_U_e(double a,double b,double x,double* result);
double gsl_sf_hyperg_U(double a,double b,double x);
int gsl_sf_hyperg_U_e10_e(double a,double b,double x,double* result);
int gsl_sf_hyperg_2F1_e(double a,double b,double c,double x,double* result);
double gsl_sf_hyperg_2F1(double a,double b,double c,double x);
int gsl_sf_hyperg_2F1_conj_e(double aR,double aI,double c,double x,double* result);
double gsl_sf_hyperg_2F1_conj(double aR,double aI,double c,double x);
int gsl_sf_hyperg_2F1_renorm_e(double a,double b,double c,double x,double* result);
double gsl_sf_hyperg_2F1_renorm(double a,double b,double c,double x);
int gsl_sf_hyperg_2F1_conj_renorm_e(double aR,double aI,double c,double x,double* result);
double gsl_sf_hyperg_2F1_conj_renorm(double aR,double aI,double c,double x);
int gsl_sf_hyperg_2F0_e(double a,double b,double x,double* result);
double gsl_sf_hyperg_2F0(double a,double b,double x);