#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <strings.h>

extern char **environ;

int main(int argc, char *argv[])
{
        int i;
	char **env;
	
        for(i=0;*environ; ++environ)
                i++;
        environ=environ-i;
        **env=**environ;
	printf("%d\n", i);
        return(0);
}