c语言 12-3

1、

#include <stdio.h>

struct xyz{
    int x;
    long y;
    double z;
}; 

struct xyz input(int a, long b, double c)
{
    struct xyz tmp;
    
    tmp.x = a;
    tmp.y = b;
    tmp.z = c;
    
    return tmp;
}

int main(void)
{
    struct xyz result;
    
    int i; long j; double k;
    printf("i = "); scanf("%d", &i);
    printf("j = "); scanf("%ld", &j);
    printf("k = "); scanf("%lf", &k);
    
    result = input(i, j, k);
    
    printf("result.x = %d\n", result.x);
    printf("result.y = %ld\n", result.y);
    printf("result.z = %lf\n", result.z);
    
    return 0; 
}

 

 

2、

#include <stdio.h>

struct xyz{
    int x;
    long y;
    double z;
};

struct xyz scan_xyz(void)
{
    struct xyz tmp;
    
    printf("tmp.x = "); scanf("%d", &tmp.x);
    printf("tmp.y = "); scanf("%ld", &tmp.y);
    printf("tmp.z = "); scanf("%lf", &tmp.z);
    
    return tmp; 
}

int main(void)
{
    struct xyz result;
    
    result = scan_xyz();
    
    puts("\n======================");
    printf("result.x = %d\n", result.x);
    printf("result.y = %ld\n", result.y);
    printf("result.z = %f\n", result.z);
    
    return 0;
}