cpp/CPrimerPlus6E/Ch14/funds3.c

/* funds3.c -- passing a structure */
#include <stdio.h>
#define FUNDLEN 50

struct funds {
    char   bank[FUNDLEN];
    double bankfund;
    char   save[FUNDLEN];
    double savefund;
};

double sum(struct funds moolah);  /* argument is a structure */

int main(void)
{
    struct funds stan = {
        "Garlic-Melon Bank",
        4032.27,
        "Lucky's Savings and Loan",
        8543.94
    };
    
    printf("Stan has a total of $%.2f.\n", sum(stan));
    
    return 0;
}

double sum(struct funds moolah)
{
    return(moolah.bankfund + moolah.savefund);
}