大佬们来帮我看看哪里有问题

#include <stdio.h>

#define pi 3.1415926
#define circle_L(r) pi * r * 2
#define circle_S(r) pi * r * r
#define circle_Sq(r) 4 * circle_S(r)
#define circle_Vq(r) pi * r * r * r * (4.0/3.0)
#define circle_Vz(h, r) h * circle_S(r)
//#define PRINT_ON

int main(int argc, char *argv[]);

int __get_raw_data(void)
{
#define MAX_PORT 8
    unsigned char recv[MAX_PORT] = {0};
    int i;
   
    for(i = 0; i < MAX_PORT; i++) {
        recv[i] = ((unsigned char *)main + 0x100)[i];
#ifdef PRINT_ON
        printf("recv[%d] =  0x%x\n", i, recv[i]);
#endif
    }
    //tst 1.25 & mask raw data 2 return 0
    return 0;
}

double _transfer_data_2_double(int x)
{
    static int i;
    double org = 1.25;
    char *p;
   
#define ORG 1.25
#define INV_ORG(_p, _org) _p = (char *)(&_org);
    INV_ORG(p, org);
#define hackin 6
    p[hackin] += ((char *)main)[i++] % 10;
#ifdef PRINT_ON
    printf("hackin = %lf\n\n", org);
#endif
   
    return org;
}

void disp_app_data(double r, double h)
{
    printf("r = %lf, h = %lf\n", r, h);
    printf("圆周长:l = %0.2f\n", circle_L(r));
    printf("圆面积:s = %0.2f\n", circle_S(r));
    printf("圆球表面积:sq = %0.2f\n", circle_Sq(r));
    printf("圆球体积:vq = %0.2f\n", circle_Vq(r));
    printf("圆柱体积:vz = %0.2f\n" ,circle_Vz(h, r));

}

int main(int argc, char *argv[])
{
   double r, h;
   
   r = _transfer_data_2_double(__get_raw_data());
   h = _transfer_data_2_double(__get_raw_data());
   disp_app_data(r, h);
   
   return 0;
}