Web Browser

/*
Write a Program in C for Web Browser
*/

#include<stdio.h>
#include<conio.h>
#include<stdlib.h>
#include<graphics.h>
#include<dos.h>
#include<string.h>

void initialize_graphics_mode();
int get_key();
void draw();

union REGS i, o;

main()
{
int key, i = 0, xpos, ypos, button;
char arr[200], temp[5], *ptr;
char a[] = "C:\\Progra~1\\Mozill~1\\firefox ";

strcpy(arr,a);

i = strlen(a);

initialize_graphics_mode();

draw();

while(1)
{
if(kbhit())
key = get_key();

if((key>=97&&key<=122)||(key>=65&&key<=90)||key==46||key==47||key==63)
{
arr[i] = key;
sprintf(temp,"%c",arr[i]);
outtext(temp);
if(getx()>470)
{
clearviewport();
moveto(5,2);
}
i++;
}
else if ( key == 13 )
{
arr[i] = '\0';
system(arr);
break;
}
else if ( key == 27 )
{
closegraph();
exit(EXIT_SUCCESS);
}
if(button==1&&xpos>=150&&xpos<=480&&ypos>=300&&ypos<=330)
{
system("C:\\Progra~1\\Mozill~1\\firefox www.cprogrammingworld123.blogspot.in");
break;
}
key = -1;
}

closegraph();
return 0;
}

void initialize_graphics_mode()
{
int gd = DETECT, gm, errorcode;

initgraph(&gd,&gm,"C:\\TC\\BGI");
errorcode = graphresult();

if( errorcode != grOk )
{
printf("Graphics error : %s\n",grapherrormsg(errorcode));

printf("Press any key to exit...\n");
getch();
exit(EXIT_FAILURE);
}
}

int get_key()
{
i.h.ah = 0;
int86(22,&i,&o);

return( o.h.al );
}

void draw()
{
settextstyle(SANS_SERIF_FONT,HORIZ_DIR,2);
outtextxy(275,11,"Web Browser");
outtextxy(155,451,"www.cprogrammingworld123.blogspot.in");
outtextxy(5,105,"Enter URL : ");
rectangle(120,100,600,130);
setviewport(121,101,599,129,1);
moveto(5,1);
}