Find frequency of each character in inputted name

#include<iostream.h>

#include<conio.h>

#include<string.h>

void main()

{

            clrscr();

            char *string, *tmp;

            char *ptr;

            int count=0;

            int *freq[];

            cout<<endl<<"Enter the string(less than 100) \n";

            cin.get(string, 100);

            strcpy(tmp, string);

            for(int i=0; i<strlen(string); i++)

            {

                        strcpy(tmp, string);

                        for(int j=0; j<strlen(tmp); j++)

                        {

                                    ptr = strchr(tmp, string[i]);

                                    if (ptr)

                                    {

                                                count++;

                                                tmp[strcspn(tmp, ptr)]=' ';

                                    }

                        }

                        cout<<endl<<string[i]<<" \tcomes\t "<<count<<" \ttime in the string";

                        count=0;

            }

            getch();