help me to know the pin used in pic16f877a microcontroller

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#include<pic.h>
#define ent1 T1CON=T1CON|0b00000111 #define dist1 T1CON=T1CON&0b00000110
#define load RB3 #define motor RB0 #define heater RB2 #define pump RB1
//enable timer1 //disable timer1
int convert[16]='0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F';
unsigned int x,temp,adc_value,countdata,digit1,digit2,digit3,digit4,digit5,voltage,current,tem perature,level,speed;
void timer_config(); void timer_read();
void control();
void hextobcd();
void acd_config();
void adc_data_accure(); void acd_read(int);
void delay(int);
void main()
{
TRISA=0xFF; // PORTA is input TRISC=0xFF; // PORTC is input TRISD=0x00; // PORTD is input TRISB=0x00; // PORTB is output
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PORTB=0X00;
TXSTA=0b00100100; RCSTA=0b10010000; SPBRG=25;
voltage=0; current=0; temperature=0; level=0; speed=0; load=0; motor=0; heater=0; pump=0;
acd_config(); timer_config();
delay(50);
while(1)
{
voltage=0; current=0; temperature=0; level=0; speed=0;
TMR1L=0x00; TMR1H=0x00;
ent1;
for(x=0;x<=100;x++) {
if (RCIF==1)
{
control();
//configure serial port //configure serial port
//Clear timer1 //Clear timer1
//enable timer 1
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} delay(50); }
dist1; //disable timer 1
speed=TMR0;
timer_read(); speed=(temp*12); for(temp=1;temp<=30;temp++) {
acd_read(0); temperature=adc_value+temperature;
acd_read(1); level=adc_value+level;
acd_read(2); current=adc_value+current;
acd_read(4); voltage=adc_value+voltage; delay(1);
}
voltage=(voltage/30); current=(current/30); temperature=(temperature/30); level=(level/30);
TXREG='F'; delay(100);
temp=voltage; hextobcd(); TXREG=convert[digit3]; delay(100); TXREG=convert[digit4]; delay(100); TXREG=convert[digit5]; delay(100);
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temp=current; hextobcd();
TXREG=convert[digit3]; delay(100); TXREG=convert[digit4]; delay(100); TXREG=convert[digit5]; delay(100);
temp=temperature; hextobcd();
TXREG=convert[digit3]; delay(100); TXREG=convert[digit4]; delay(100); TXREG=convert[digit5]; delay(100);
temp=level; hextobcd();
TXREG=convert[digit2]; delay(100); TXREG=convert[digit3]; delay(100); TXREG=convert[digit4]; delay(100); TXREG=convert[digit5]; delay(100);
temp=speed;
hextobcd(); TXREG=convert[digit2]; delay(100); TXREG=convert[digit3]; delay(100); TXREG=convert[digit4]; delay(100);
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TXREG=convert[digit5]; delay(100);
} }
void control() { temp=RCREG;
if(temp=='1') {
load=1;
}
else if(temp=='2') {
load=0;
}
else if(temp=='3') {
motor=1;
}
else if(temp=='4') {
motor=0;
}
else if(temp=='5') {
heater=1;
}
else if(temp=='6') {
heater=0;
}
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else if(temp=='7') {
pump=1;
}
else if(temp=='8') {
pump=0;
}
else
{ delay(10); }
if(OERR==1) {
SREN=0; temp=RCREG; temp=RCREG; CREN=0; CREN=1; SREN=1;
} delay(100); }
//////////////////////////////////////////////////////////////////////////////////////////
void timer_config()
{
T1CON=T1CON|0b00000110; //configure timer 1 as counter to count frequency //OPTION_REG=0b0010000; //configure timer 0 as counter to count frequency }
//////////////////////////////////////////////////////////////////////////////////////////
void timer_read()
{
temp=TMR1L;
temp+=(TMR1H<<8);
}
//collect TMR1L value
//collect TMR1H value and add with TMR1L value
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////////////////////////////////////////////////////////////////////////////////////////// void hextobcd()
{
countdata=temp;
countdata=(countdata/10000); digit1=countdata; countdata=(countdata*10000); temp=(temp-countdata);
countdata=temp; countdata=(countdata/1000); digit2=countdata; countdata=(countdata*1000); temp=(temp-countdata);
countdata=temp; countdata=(countdata/100); digit3=countdata; countdata=(countdata*100); temp=(temp-countdata); countdata=temp; countdata=(countdata/10); digit4=countdata; countdata=(countdata*10); temp=(temp-countdata);
digit5=temp; }
////////////////////////////////////////////////////////////////////////////////////////// void acd_config()
{
ADCON1=0b10000001; ADCON0=0b01000001; delay(1);
}
////////////////////////////////////////////////////////////////////////////////////////// void acd_read(int channel)
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{
if (channel==0)
{ ADCON0=0b01000001; adc_data_accure();
}
else if (channel==1)
{
ADCON0=0b01001001;
adc_data_accure();
}
else if (channel==2)
{
ADCON0=0b01010001;
adc_data_accure();
}
else if (channel==3)
{
ADCON0=0b01011001;
adc_data_accure();
}
else if (channel==4)
{
ADCON0=0b01100001;
adc_data_accure();
}
else if (channel==5)
{
ADCON0=0b01101001;
adc_data_accure();
}
else
{
}
} //////////////////////////////////////////////////////////////////////////////////////////
void adc_data_accure() {
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delay(1);
ADCON0=ADCON0|0b00000100;
delay(1);
adc_value=ADRESL; //collect ADRESL value adc_value+=(ADRESH<<8); //collect ADRESH value and add with ADRESL value
}
/////////////////////////////////////////////////////////////////////////////////////////////////////////////
void delay(int time) {
int i,j; for(j=1;j<=time;j++) {
for(i=0;i<=64;i++) {
}
}
}