/* This function unregisters the handler to be called when a system control interrupt occurs. This function also masks off the interrupt in the interrupt controller so that the interrupt handler no longer is called. */
void SysCtlIntUnregister(void)
/* This function unregisters the handler to be called when a system control interrupt occurs. This function also masks off the interrupt in the interrupt controller so that the interrupt handler no longer is called. */
void SysCtlIntUnregister(void)
{
    IntDisable(INT_SYSCTL_BLIZZARD);
    IntUnregister(INT_SYSCTL_BLIZZARD);
}