Help!! I could not find where i did mistakes interfacing an lcd with pic16f877a.

#include <htc.h>
#define LCD_RS RD1
#define LCD_EN RD0
#define LCD_DATA PORTB


void init_io(void);
void delay(unsigned long data);
void send_config(unsigned char data);
void lcd_goto(unsigned char data);
void lcd_clr(void);
void send_string(const char *s);


void main(void)
{
	init_io();
	send_config(0b00001000); //off display
	send_config(0b00000001); //clear display at lcd
	send_config(0b00000010); //lcd return to home
	send_config(0b00000110); //entry mode set, cursor move right, display shift disable
	send_config(0b00001100); //display on, cursor off and cursor blink off
	send_config(0b00111000); //function set

	lcd_clr();
	lcd_goto(0);
	send_string("Welcome To");
	lcd_goto(20);
	send_string("my LCD");
	delay(2000000);
	for(;;)
	{
		}
}



void init_io(void)
{
	TRISB=0b00000000;
	TRISD=0b00000000;
	PORTB=0b00000000;
	PORTD=0b00000000;
}


void delay(unsigned long data)
{
	for(;data>0;data--);
}


void send_config(unsigned char data)
{
	LCD RS=0;
	LCD_DATA=data;
	LCD_EN=1;
	delay(50);
	LCD_EN=0;
	delay(50);
}

void send_char(unsigned char data)
{
	LCD_RS=1;
	LCD_DATA=data;
	LCD_EN=1;
	delay(10);
	LCD_EN=0;
	delay(10);
}

void lcd_goto(unsigned char data)
{
	if(data<16)
	{
		send_config(0x80+data);
	}
	else
	{
		data=data-20;
		send_config(0xc0+data);
	}
}

void lcd_clr(void)
{
	send_config(0x01);
	delay(600);
};

void send_string(const char *s)
{
	while(s&&*s) send_char(*s++);
}