/* strings in C
in C NULL terminated strings, last char is \0 - NULL CHARACTER
write a program that reads a string characters and finds the number of chars in the string */

#include<stdio.h>
#include<string.h>
#define SIZE 20 

int main(){
	char str[SIZE];
	int len=0, i;
	printf("enter string of max 19 chars\n");
	scanf("%s", str);
	i=0;
	while(str[i]!='\0'){
		len++;
		i++;
	}
	printf("string is %s\n", str);
	printf("Length of the string is %d\n", len);
	printf("using library function strlen length is %d\n", strlen(str));
	return 0;
}