#include <stdio.h>
#include <stdlib.h>
#include <string.h>
struct Map {
char name [30];
char number [10];
int age ;
struct Map *next;
};
struct Map *popp(){
struct Map *heard = NULL;
struct Map *zen , *op;
zen = op =(struct Map *)malloc(sizeof(struct Map));
printf("请输入名称,学号,年龄(年龄为0时结束)\n");
scanf("%s%s%d",zen->name,zen->number,zen->age);
zen->next = NULL;
while (zen->age!=0){
if(!heard){
heard = zen ;
}else{
op->next = zen;
op = zen;
}
zen = (struct Map *)malloc(sizeof(struct Map));
printf("请输入名称,学号,年龄(年龄为0时结束)\n");
scanf("%s%s%d",zen->name,zen->number,zen->age);
zen->next = NULL;
}
free(zen);
return heard;
}
int main(){
struct Map *header = popp();
return 0;
}
我看不出啥问题啊为什么跑不起来