WAP to find length of string using strlen() function

/*WAP to find length of string using strlen() function */

#include<stdio.h>
#include<conio.h>
main( )
{
 char  arr[ ] = "codezworld" ;
 int  len1, len2 ;

 len1 = strlen ( arr ) ;
 len2 = strlen ( "A blog of programs" ) ;

 printf ( "\nstring = %s length = %d", arr, len1 ) ;
 printf ( "\nstring = %s length = %d", "A blog of programs", len2 ) ;
}