FILE *open_log(const char *logfile_name);
void close_log(FILE* logfile);
void log_welcome(const char *whoami, int loglevel);
-void para_drop_privileges(const char *username);
+void para_drop_privileges(const char *username, const char *groupname);
/** used for server_uptime() */
enum uptime {UPTIME_SET, UPTIME_GET};
time_t server_uptime(enum uptime set_or_get);