[Solved] How can I access an array in C

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You have a few errors, can you try this:

void load(char *name, float *share, float *buyprice, float *currprice)
{
    printf("Enter stock name");
    gets(name);
    printf("Enter share, buyprice, currprice");
    scanf("%f %f %f", share, buyprice, currprice); // changes: removed &*
}
void calc(float share, float buyprice, float currprice, float *buytotal, float *currtotal, float *profit)
{
   *buytotal = share * buyprice;
   *currtotal = share * currprice;
   *profit = *currtotal - *buytotal;
}
void output(char *name, float profit, float buytotal, float currtotal) // changes: char name to char *name
{
   printf("%s\n", name);
   printf("buy total %f\n", buytotal);
   printf("current total %f\n", currtotal);
   printf("profit %f\n", profit);
}

int main(void) //changed to int main(void)
{
    char name [25];
    float share, buyprice, currprice, buytotal, currtotal, profit;
    load(name, &share, &buyprice, &currprice);
    calc(share, buyprice, currprice, &buytotal, &currtotal, &profit);
    output(name, buytotal, currtotal, profit); //changed *name to name
    fflush(stdin);
    load(name, &share, &buyprice, &currprice);
    calc(share, buyprice, currprice, &buytotal, &currtotal, &profit);
    output(name, buytotal, currtotal, profit); //changed *name to name
    fflush(stdin);
    load(name, &share, &buyprice, &currprice);
    calc(share, buyprice, currprice, &buytotal, &currtotal, &profit);
    output(name, buytotal, currtotal, profit); //changed *name to name
    return 0; //Added this line
 }

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solved How can I access an array in C