enum {E_SYNTAX, E_READ, E_WRITE, E_SOCKET, E_INIT_SOCK_ADDR, E_CONNECT, E_CREDENTIALS, E_SELECT, E_OVERRUN};
-void para_log(__unused int ll, __unused char* fmt,...) /* no logging */
+void para_log(__unused int ll, __unused const char* fmt,...) /* no logging */
{
}