自定义一个复数结构体
assign()是赋值函数
主函数里对z1,z2两个指针进行assign()赋值操作,通过打印可以看出z2被成功赋值,z1却没有被成功赋值
不明白为何
#include <stdio.h>
typedef struct complex
{
float realpart;
float imagpart;
} complex;
void assign(complex *a, float real, float imag)
{
a->realpart = real;
a->imagpart = imag;
};
int main()
{
complex *z2, *z1;
float real2 = 3.5, image2 = 6.7;
assign(z2, real2, image2);
printf("z2:%f,%f\n", z2->realpart, z2->imagpart);
float real1 = 2.3, image1 = 4.8;
assign(z1, real1, image1);
printf("z1:%f,%f\n", z1->realpart, z1->imagpart);
return 0;
}