IO definitions PIC

#define LED     LATBbits.LATB0

TRISBbits.TRISB1 = 1
if (PORTBbits.RB1)
{
     TRISBbits.TRISB0 = 0
     #define LED     LATBbits.LATB0;
}
else
{
     TRISBbits.TRISB0 = 0
     #define SWITCH     PORTBbits.RB0
}

int sVal;

main()
{
    sVal = PORTBbits.RB1;
    ... lots of code...
    doThing1()
   ...more code...
}


// do the conditional part here
void doThing1()
{
     if (sVal)
        ....
     else
        .... ;
}

	TRISA = 0b0000000000000000;
	TRISB = 0b0000000100111100;
	TRISC = 0b0010000000000000;
	TRISD = 0b0000000000000000;
	TRISF = 0b0000000000000000;	
	//Node Definitions
	#define ON 1
	#define LCD 0
	#define NODE PORTBbits.RB3
	if(NODE == LCD)
	{
		#define LED1 LATDbits.LATD2
	}
	else
	{
		#define LED1 LATDbits.LATD8	
	}