Finding the length of a string

Program to find the length of a given string.

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#include<iostream.h>

#include<conio.h>

#include<stdio.h>

void main()

{ 

   clrscr();

   int i , char text[80];

   cout<<"\nEnter the string(max=80) :";

   gets(text);

   for( i=0 ; text[i]!='0' ; i++ )

   cout<<"\nThe length of the string is: " <<i ;

   getch();

}