help me check the source code pls...

thats is some problem when i compile this source code,can anyone of u help me check what is the problem and help me edit it?

#include <16F877A.h>
#FUSES NOWDT //No Watch Dog Timer
#FUSES XT //High speed Osc (> 4mhz)
#FUSES BROWNOUT //Reset when brownout detected
#FUSES NOPUT //No Power Up Timer
#FUSES DEBUG

#use delay(clock=4000000)
#use rs232(baud=9600,parity=N,xmit=PIN_C6,rcv=PIN_C7,bits=8,stream=GSM )
#use rs232(baud=1200,parity=N,xmit=PIN_C1,INVERT,rcv=PIN_E2,bits=8,stream=IRS1) // First IR Sensor
#use rs232(baud=1200,parity=N,xmit=PIN_C1,INVERT,rcv=PIN_D7,bits=8,stream=IRS2) // Second IR Sensor

#define LCD_DB4 PIN_C0 //LCD Data Pins
#define LCD_DB5 PIN_C1
#define LCD_DB6 PIN_C2
#define LCD_DB7 PIN_C3

#define LCD_E PIN_D1 //LCD Enable Pin
#define LCD_RS PIN_D0 //LCD RS Pin

#define IRLED PIN_E0
#define PIRLED PIN_D6
#define MEGLED PIN_D5
#define SMOKELED PIN_D4

#define PIRSENSOR PIN_A0
#define MEGSENSOR PIN_A3
#define SMOKESENSOR PIN_A2

#include "flex_lcd.c" //LCD Driver

#include <kbd1.c> //Keypad Driver

#include <stdlib.h> //Standard Libraries
#include <string.h> //

#define Buzzer PIN_E1 // Buzzer attached on pin 9
#define Sen 100 // IR Sensor Sensitivity i.e.
//greater the value.. lesser the sensitivity and vice versa

int sendSMS(void); // Method to send sms alert through T230 Mobile Phone
void checkSensors(); // IR Sensor Scanning through rs232
int waitResponse(unsigned int16); // AT Command Response Method

int1 timeoutFlg=0,SysActivated=0; // Tags and Flags
INT8 AlertFlg=0;
char buf[60]; // String buffer to recieve response string from mobile phone
char dtstr[60]={"ALERT!! SOMEBODY BREAKING INTO YOUR HOUSE.\0"}; // Aler message to be sent through sms
char sOK[] = {"OK"}; // Response Strings from Mobile phone
char sER[] = {"ERROR"};
char sSen[] = {"CMS ERROR"};
char nServer[] = {"00923014217397\0"}; // Receipent Cell Number
char password[]={"333\0"}; // Password entered throgh keypad
long timeout,timeout2,INDEX; // Time processing variables and General Index veriable




void main()
{
unsigned int c,c2;
int i;
char k,pass[]={"***\0"};
setup_adc_ports (No_ANALOGS); // All Ios are in digital mode
setup_psp(PSP_DISABLED);
setup_spi(SPI_SS_DISABLED);

lcd_init(); // Lcd Initialization
kbd_init(); // Keypad Initialization
lcd_gotoxy(1,1); // Startup string message on LCD for 1 second
lcd_putc("\fStart-Up");
delay_ms(1000);



while(1){
lcd_putc("\fSystem De-Activated"); // System needs 3 digit password in start to activate
lcd_gotoxy(8,2);
i=0;
AlertFlg=0;
timeout2=0;
output_low(pin_a1);
k=0;
output_high(PIN_A1); // LED to tell that system has powerd up and ready
AlertFlg=0;

while(!sysActivated){ // While untill system is not activated through password input
k=kbd_getc(); // Scan Keypad
if(k!=0){ // If some button is pressed
delay_ms(50); // De-Bounce Time
lcd_putc('*'); // Print astarick on lcd
pass=k; // Populate array index
i++;
}
if(i>=3){ // If keypad buttons are pressed three times
if(pass[0]==password[0] && pass[1]==password[1] && pass[2]==password[2] ){ // Check the password in three digits
lcd_putc("\f[Password OK]"); // If password matches
pass[0]=0;
pass[1]=0;
pass[2]=0;
lcd_gotoxy(2,2);
lcd_putc("System Activated"); // Activate system
output_Low(IRLED);
output_Low(PIRLED);
output_Low(MEGLED);
output_Low(SMOKELED);
delay_ms(2000);
SysActivated=1; // System Activation Flag
}else{
lcd_putc("\f [Access Denied]"); // If Password is worng then
delay_ms(2000);
lcd_putc("\fSystem De-Activated"); // System Still deactivated
lcd_gotoxy(8,2);
sysActivated=0;
i=0;
}
}
}



//If password was ok then start Scanning Sensors
lcd_putc("\f Scanning...."); // clear screen
while(1)
{
checkSensors(); // Scan sensor in a loop
if(AlertFlg>0) // If intrustion is there Stop Scanning
{break;}
}

lcd_putc("\f"); // clear screen
output_high(buzzer); // Alarm On
If(AlertFlg==1){
lcd_putc("\f*IR-Detection MSG*"); // clear screen & Intrusion detection message stays
output_high(IRLED);
}Else If(AlertFlg==2){
lcd_putc("\f*PIR-Detection MSG*"); // clear screen & Intrusion detection message stays
output_high(PIRLED);
}Else If(AlertFlg==3){
lcd_putc("\f*MEG Detection MSG*"); // clear screen & Intrusion detection message stays
output_high(MEGLED);
}Else If(AlertFlg==4){
lcd_putc("\f*SMOKE Detection MSG"); // clear screen & Intrusion detection message stays
output_high(SMOKELED);
}
sendSMS(); // Send Sms Alert


i=0;
lcd_gotoxy(8,2);
while(sysActivated){ // As far system is not reset through re-entering the password
k=kbd_getc(); // the buzzer will be on.
if(k!=0){
delay_ms(50);
lcd_putc('*');
pass=k;
i++;
}if(i>=3){
if(pass[0]==password[0] && pass[1]==password[1] && pass[2]==password[2] ){
lcd_putc("\f[Password OK]");
lcd_gotoxy(2,2);
lcd_putc("System De-Activated");
output_low(buzzer);
pass[0]=0;
pass[1]=0;
pass[2]=0;
delay_ms(2000);
SysActivated=0;
}else{
lcd_gotoxy(1,2);
lcd_putc(" ");
lcd_gotoxy(8,2);
sysActivated=1;
i=0;
}
}


}
}
}



int waitResponse(unsigned int16 t){ // This method simply recieves the rs232 response from phone
// while sending the AT-Commands to cell phone
int r;

TIMEOUT = T;
timeoutFlg = 1;
Index = 0;

do{
if (kbhit()){
buf[index] = fgetc(GSM);
index++;
}
delay_ms(1);
TIMEOUT--;
}while(TIMEOUT > 0 && TIMEOUT < 31000 && index<60);
BUF[INDEX]='\0';

r = 0 ;
if(STRstr(BUF,sSen)>0){ // error
r = 4;
}else if(STRstr(BUF,SER)>0){ // error
r = 2;
}else if(STRstr(BUF,SOK)>0){ // datasent ok
r = 1;
}

if(r>0){
return r;
}else{
return 0;
}

}

int sendSMS(){ // Sms Sending routine throgh AT-Commands

CHAR ctrlZ = 26,c=34,resp;
lcd_gotoxy(2,2);
lcd_putc("Sending SMS Alert..");
fprintf(GSM,"AT\n\r"); //AT Command Start from here
waitResponse(2000);
fprintf(GSM,"AT+CMGF=1\n\r"); //SMS Text Mode On
waitResponse(2000);
fprintf(GSM,"AT+CMGS=%C%S%C\n\r",c,nServer,c); // SEND SMS COMMAND
waitResponse(2000); // no error.
If(AlertFlg==1){
fprintf(GSM,"IR %s",dtstr); // Giving str i.e. alert message to send
}Else if(AlerTFlg==2){
fprintf(GSM,"PIR %s",dtstr); // Giving str i.e. alert message to send
}Else if(AlerTFlg==3){
fprintf(GSM,"MEGNATIC %s",dtstr); // Giving str i.e. alert message to send
}Else if(AlerTFlg==4){
fprintf(GSM,"SMOKE %s",dtstr); // Giving str i.e. alert message to send
}

waitResponse(1000);
fprintf(GSM,"%c",ctrlZ); // Send it with ctrlZ character
resp = waitResponse(5000); // Wait for Send OK response
if(resp!=4 && resp!=2){ // If not any error then
fprintf(GSM,"AT\n\r");
waitResponse(1000); // SMS Alert has been sent successfully
AlertFlg=0;
return 1;
}
lcd_putc("SMS Send Error.."); // Other wise display error
return 0;
}

void CheckSensors(){ // System Scanning
byte c=0,c2=0;
AlertFlg=0;
if(kbhit(IRS1)) // Check First Sensor
{c = fgetc(IRS1);}
if(kbhit(IRS2)){ // Check Second Sensor
c2 = fgetc(IRS2);}

lcd_gotoxy(1,2);
printf(lcd_putc,",%d ",c); // If some thing is recived show progress on lcd
if(c==0 && c2==0){ // If there was intrusion then data will not recieved i.e. 0
timeout2++; // Increament time
}else{
timeout2=0;
}
if(timeout2>Sen){ // if time crosses the sensitiveity value
AlertFlg=1; // Then this is alert condition i.e. intrusion detected.
timeout2=0;
break;
}
if(input(PIRSENSOR)==1){
AlertFlg=2;
BREAK;
}else if(input(MEGSENSOR)==1){
AlertFlg=3;
BREAK;
}else if(input(SMOKESENSOR)==1){
AlertFlg=4;
BREAK;
}

}