/* * Benchmark utility to sum up * the total number of bytes passed * in the environment on an exec. */main(argc, argv, envp)	char *argv[], *envp[];{	register char **p;	register int n;	n = 0;	for (p = envp; *p && *p != (char *)-1; p++)		n += strlen(*p);	printf("%d bytes\n", n);	exit(0);}