C语言 求复数和

/*1.编程求两个复数的和
结构体
函数
返回值是结构体
参数 两个结构体
*/

#include <stdio.h>
#include <stdlib.h>

struct Complex
{
    int R;
    int I;
};

struct Complex* Add(const struct Complex *x, const struct Complex *y, struct Complex *result)
{
    //struct Complex *result = (struct Complex*)malloc(sizeof(struct Complex));
    result->R = x->R + y->R;
    result->I = x->I + y->I;

    return result;
}

void PrintComplex(struct Complex *complex)
{
    printf("%d + %di\n", complex->R, complex->I);
}

int main(int argc, char const *argv[])
{
    struct Complex x1 = {1, 2};
    struct Complex x2 = {3, 4};
    struct Complex x;

    struct Complex *result = (struct Complex*)malloc(sizeof(struct Complex));

    Add(&x1, &x2, result);

    PrintComplex(result);

    result = Add(&x1, &x2, result);
    PrintComplex(result);

    return 0;
}