#include<stdio.h>
#include <string.h>
int main()
{
	char ch[20]={'K', 'a', 'a', 's', 'h', 'i', 'v', 'I', 'n', 'f', 'o', 't', 'e', 'c', 'h', '\0’};
	int l=strlen(ch);
	printf("Length of string is: %d",l);
	getch();
}

#include <stdio.h>
void main()
{
    char string[50];
    int i, length = 0;
    printf("Enter a string \n");
    scanf("%s",string);
    for (i = 0; string[i] != '\0'; i++)
    {
        length++;
    }
    printf("The length of %s = %d\n", string, length);
    getch();
}