#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <time.h>
int main(int argc,char *argv[])
{
int r;
char *b=NULL;
r=sscanf(argv[1],"%s",b);
printf("\n%s %d \n",b,r);
return 0;
}
mi stampa (null) 0 .... qualcuno sa perchè?