Simple PIC12F509 code in XC8 C compiler has multiple build errors

/* 
 * File:   zapper.c
 * Author: 
 *
 * Created on 03 June 2017, 23:55
 */

//This code turns the product ON at the mains peak voltage
//It does this by using the zero crossing detector input.

//This uses PIC12F509
//MPLAB X IDE
//XC8 C compiler (free)

#define  _XTAL_FREQ 4000000

#include <xc.h>
#include <stdint.h>

#pragma config OSC = ExtRC      // Oscillator Selection bits (external RC oscillator)
#pragma config WDT = OFF        // Watchdog Timer Enable bit (WDT disabled)
#pragma config CP = OFF         // Code Protection bit (Code protection off)
#pragma config MCLRE = ON       // GP3/MCLR Pin Function Select bit (GP3/MCLR pin function is MCLR)

//I have not set the MCLR pin as an input because it will be noise susceptible.
//Therefore i set MCLR up as reset, but i will never use it as reset..but will
//simply tie the pin top Vdd on the PCB.

//Define output
#define FETS     LATBbits.RB2;

//Define input
#define zero_x     PORTBbits.RB4;

//Define actions
#define ON    LATBbits.RB2 = 1  /*Turn ON FETs*/


//Declare functions which set up the microcontroller
void    disable_interrupts(void);   //How do this?
void    disable_pullups(void);      //How do this?
void    setup_ports(void);


void    setup_ports(void) {
    TRISB = 0b00011000;
    return;
}

//Declare variables
uint8_t    count;

void main(void) {
    setup_ports();
    //10 second delay
    for (count=1;count<=100;count++)   {
    __delayms(100);
    }

here:
    if {zero_x = 1} {goto here;}
here1:
    if {zero_x = 0} {goto here1;}

    //When it gets to this point, the zero crossing input has just gone high

    __delayms(3);   //delay to get to the mains peak
    ON;              //Turn ON FETs...at the mains peak

    while(1){;}

    return ();
}

here:
    if {zero_x = 1} {goto here;}

while (zero_x);

/* 
 * File:   zapper.c
 * Author: 
 *
 * Created on 03 June 2017, 23:55
 */



//This uses PIC12F509
//MPLAB X IDE
//XC8 C compiler (free)

#define  _XTAL_FREQ 4000000

#include <xc.h>
#include <stdint.h>


#pragma config OSC = IntRC      // Oscillator Selection bits (internal RC oscillator)
#pragma config WDT = OFF        // Watchdog Timer Enable bit (WDT disabled)
#pragma config CP = OFF         // Code Protection bit (Code protection off)
#pragma config MCLRE = ON       // GP3/MCLR Pin Function Select bit (GP3/MCLR pin function is MCLR)

//I have not set the MCLR pin as an input because it will be noise susceptible.
//Therefore i set MCLR up as reset, but i will never use it as reset..but will
//simply tie the pin top Vdd on the PCB.

//Define output
#define FETS     GP2

//Define input
#define zero_x     GP4

//Define actions



//Declare functions which set up the microcontroller
//void    disable_interrupts(void);   //How do this?
//void    disable_pullups(void);      //How do this?
void    setup_ports(void);


void    setup_ports(void) {
    TRISGPIO = 0b00011000;
//    TRIS = 0x18;
    return;
}

//Declare variables
//

void main(void) {
    setup_ports();


   while(1){
    GP2 = 1;
    __delay_ms(30);   //delay to get to the mains peak
    GP2 = 0;
    __delay_ms(30);
   }
 

    return;
}

OPTION = 0xDF;