Check if two strings are identical.

//Program to check if two strings are identical.
#include<conio.h>
#include<iostream.h>
#include<stdio.h>
#include<string.h>

int main()
{
    clrscr();
    char a[80],b[80];
    int z=0;
    cout<<"Enter a string: ";
    gets(a);
    cout<<"Enter another string: ";
    gets(b);
    if(strlen(a)!=strlen(b))
    cout<<"The strings are not identical.";
    for(int i=0;a[i]!='\0';i++)
    if(a[i]==b[i])
    ++z;
    if(z==strlen(a))
    cout<<"The strings are identical.";
    else
    cout<<"The strings are not identical.";
    getch();
}