I code this exercise in c++ with title: "count number of occurrences of a character in a string"
who can help me?
thanks very much
My code in c++:

#include "stdafx.h"
#include <iostream>
using namespace std;
unsigned count_check(char str[],char a)
{
         unsigned d=0,lenght=strlen(str);
         for(int i=0;i<lenght;i++)
           if(str[i]==a)
             d++;
         return d;
}
int main()
{
    char str[100],a;
    cout<<"input a string: ";
    gets(str);
    cout<<"input a character:: ";
    cin>>a;
    cout<<"the number of occurrences: "<<count_check(str,a)<<endl;
    system("PAUSE");
    return EXIT_SUCCESS;
}

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