Miscellany

int main(void){    double C=0.00000001, R1=500, R2=2000, Vin_pp=30;    int F=500;    double Zt, Vout;    explain_program();    Zt = calculate_Zt(C,R1,R2,F);    Vout = calculate_Vo(&Vout,C,R1,R2,F,&Vin_pp);    printf("vo is %d",Vout);    getchar();    return 0;}static inline double * calculate_Vo(double * v, double c1, double r1, double r2, int f, double *vpp){    * v = * vpp * sqrt((pow((2*PI*f*c1*r2),2) + 1))/sqrt((pow((2*PI*f*c1*(r1+r2)),2) + 1));    return v;}