char *program_name;
/* If nonzero, pass the `-f' option to the subshell. */
-int fast_startup;
+static int fast_startup;
/* If nonzero, simulate a login instead of just starting a shell. */
-int simulate_login;
+static int simulate_login;
/* If nonzero, change some environment vars to indicate the user su'd to. */
-int change_environment;
+static int change_environment;
-struct option longopts[] =
+static struct option longopts[] =
{
{"command", 1, 0, 'c'},
{"fast", 0, &fast_startup, 1},