Write a program to concatenate one string contents to another.

Write a program to concatenate one string contents to another.
Concatentate of string in c++ code.
Write c++ code to concatenate of sting.

#include<iostream.h>

#include<conio.h>

#include<stdio.h>

int main( )

{

        clrscr( );

        char str1[80],str2[80];

        cout<<"Enter first string :";

        gets(str1);

        cout<<"Enter second string :";

        gets(str2);

        for(int l=0;str1[l]!='\0';l++);

        for(int i=0;str2[i]!='\0';i++)

               str1[l++]=str2[i];

        str1[l]='\0';

        cout<<"\nThe first string after adding second string content is\n\n"<<str1;

        getch();

        return 0;

}