#include <stdio.h>

int strlen2 (char str[]) {
  int i = 0;
  while (str[i] != '\0')
    ++i;
  return i;
}
int main () {
  char name[20];
  printf ("Namn: ");
  scanf ("%s", name);
  printf ("Ditt namn har %d tecken\n", strlen2 (name));
  return 0;
}