#include<stdio.h>
#include<conio.h>
#include<string.h>
void main()
{
char st[100];
int l;
clrscr();
printf("Enter any line : ");
gets(st);
l=strlen(st);
printf("String length = %d",l);
getch();
}
///////////////////////////////////////////////////////////////////////////
Copy & paste this code in your TC & run, then you will get output.......
If you have any problem please comment below.........