sharpsl_check_battery_temp
} else if ((sharpsl_check_battery_temp() < 0) || (sharpsl_ac_check() < 0)) {
static int sharpsl_check_battery_temp(void);
if ((sharpsl_ac_check() < 0) || (sharpsl_check_battery_temp() < 0))
if ((sharpsl_check_battery_temp() < 0) || (sharpsl_check_battery_voltage() < 0))