#include <stdio.h>
#include <string.h>
main()
{
char s1[20];
int len;
printf("\nEnter any string: ");
gets(s1);
len = strlen(s1);
printf("\nLength of string: %d", len);
}
OUTPUT:
Enter any string: programming9.com Length of string: 16
C Program to Find Length Of a String With out Using Strlen() Function