rem: if (*line != '#' && strcmp (line, shell) == 0)
add: if (*line != '#' && STREQ (line, shell))
context: restricted_shell (const char *shell){  char *line;  setusershell ();  while ((line = getusershell ()) != NULL)    {      if (*line != '#' && strcmp (line, shell) == 0)	{	  endusershell ();	  return 0;	}    }  endusershell ();  return 1;}