fatal error LNK1120: 1 unresolved externals 求教
#include<iostream>
#include<cstring>
using namespace std;
struct student{
char name[20];
char id[10];
int age;
float score;
char address[30];
};
int manin(){
student st1,*prst;
prst=&st1;
cout<<"请输入学生的姓名:"<<endl;
cin.getline(st1.name,20);
cout<<"请输入学号、年龄和入学成绩:"<<endl;
cin>>st1.id>>st1.age>>st1.score;
cin.get();
cout<<"请输入家庭地址:"<<endl;
cin.getline(st1.address,30);
cout<<"姓名"<<'\t'<<prst->name<<'\n';
cout<<"学号"<<'\t'<<prst->id<<'\n';
cout<<"年龄"<<'\t'<<prst->age<<'\n';
cout<<"入学成绩"<<'\t'<<prst->score<<'\n';
cout<<"家庭地址"<<'\t'<<prst->address<<endl;
return 0;
}
compile没有错,build出现LIBCD.lib(crt0.obj) : error LNK2001: unresolved external symbol _main
Debug/exp5_7.exe : fatal error LNK1120: 1 unresolved externals错误,新手求教