//Autore:XXXX - Data ultima modifica DD/MM/AA
//Breve descrizione del programma: programma vuoto

#include<stdio.h>
//#include <string.h>

int strlen1(char s[])
{
	int i;
	for(i=0; s[i]; i++)
		;
	return i;
}


int strlen2(char *s)
{
   char *p=s;
   		while(*p!='\0')
   			p++;
   		return p-s;
}


int   main()
{
	char s[]="ciao";
	printf("%d\n",strlen1(s));
	printf("%d\n",strlen2(s));
	return 0;
}