Write a program to find the length of a string using strlen().

Source Code :

#include<stdio.h>

void main()

{

      int len;

      char str[20];

      clrscr();

      printf("\nEnter a String : ");

      gets(str);

      len=strlen(str);

      printf("\nLength of the String : %d",len);

      getch();

}

Output :

Enter a String : This is a C Program

Length of the String : 19