谁帮我看看这个C++小程序，有错误

#include<iostream>
using namespace std;
class shout
{
private:
    char str[100];
public:
    void sht(char[],int);
};
void sht(char str,int n)
{
    int i;
    for(i=1;i<=n;i++)
    {
        cout<<str<<endl;
    }
}
void main()
{
    shout sh;
    cout<<"enter the string you want to dispaly:"<<endl;
    char str[100];
    cin.getline(str,100);
    cout<<"enter the times you want to display for:"<<endl;
    int n;
    cin>>n;
    sh.sht(str,n);
}

vs2010显示    错误    1    error LNK2019: 无法解析的外部符号 "public: void __thiscall shout::sht(char * const,int)" (?sht@shout@@QAEXQADH@Z)，该符号在函数 _main 中被引用    G:\Visual studio solutions\CWS\CWS\MIAN.obj
错误    2    error LNK1120: 1 个无法解析的外部命令    G:\Visual studio solutions\CWS\Debug\CWS.exe    1

void shout::sht(char str,int n)
{
    int i;
    for(i=1;i<=n;i++)
    {
        cout<<str<<endl;
    }
}

#include <iostream> using namespace std;

class shout { private:     char str[100]; public:     void sht(char[],int); }; void shout::sht(char str[],int n)//作用域,得参数没匹配 {     int i;     for(i=1;i<=n;i++)     {     cout<<str<<endl;     } }

void main() {     shout sh;     cout<<"enter the string you want to dispaly:"<<endl;     char str[100];     cin.getline(str,100);     cout<<"enter the times you want to display for:"<<endl;     int n;     cin>>n;     sh.sht(str,n); }

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