提示head->balance必须是可修改的左值
while (head->next != NULL) {
head = head->next;
if (strcmp(cardNum, head->cardNum) == 0) {
head->balance = balance;
}
}
提示head->balance必须是可修改的左值
while (head->next != NULL) {
head = head->next;
if (strcmp(cardNum, head->cardNum) == 0) {
head->balance = balance;
}
}
head->balance是数组,数组当然不能直接赋值了,你想实现什么?复制所有的元素?那需要用一个循环