Question

C语言往结构体变量赋值为什么会出现error C2106: '=' : left operand must be l-value

#include <stdio.h>

struct Student
{
int num;
char name[10];

struct Student *next;
};

int main()
{
struct Student *head,*p;
struct Student a,b,c;

a.num=1001; a.name="Li";
b.num=1002; b.name="Wang";
c.num=1003; c.name="Zhang";

head=&a;

a.next=&b;
b.next=&c;
c.next=NULL;

p=head;

do
{
printf("num=%d name=%s\n",p->num,p->name);
p=p->next;
}while(p);
return 0;
}

Answer 1

定义的name为字符数组

char name[10];

也就是字符串。 不能直接=赋值。所以

a.name="Li";
b.name="Wang";
c.name="Zhang";

这几个是错的。 

改成 strcpy

strcpy(a.name,"Li");
strcpy(b.name,"Wang");
strcpy(c.name,"Zhang");