Untitled

#include<iostream>
using namespace std;
int strlength(char*p)
{
	int i=0;
	for(i=0;p[i]!='\0';i++);
	return i;
}
char*strcopy(char*p,char*q)
{
	int i;
	for(i=0;i<strlength(q);i++)
	p[i]=q[i];
	p[i]='\0';
	return p;
}
char*strconcatenate(char*p,char*q)
{
	char*r;
	r=p;
	int j=strlength(r);
	for(int i=0;i<strlength(q);i++)
	{
	p[j]=q[i];
	i++;
	}
	return p;
}
int main()
{int len;
char*s,*t,a[100],b[100],c[100];
cout<<"\n Enter two starting:";
cin>>a;
cin>>b;
s=a;
t=b;
cout<<"\n length of the firdt string is:"<<strlength(s);
cout<<"\n After copy the new string is:"<<strcopy(c,b);
cout<<"\n concatinated string is:"<<strconcatenate(s,t);
return 0;
}