[DevC++] Why is this programme bad

SDL Development
1

Hi All
I ask me to say what in this it is programme made bad?

She did not happen programme so as it should.Thank you

#include<SDL/SDL.h>

#include

#undef main

const int WYS=600;

const int SZER=800;

const int BPP=32;

SDL_Surface *background;

SDL_Surface *kula;

SDL_Surface *screen;

int x;

int y;

int main()

{

if(SDL_Init(SDL_INIT_EVERYTHING)<0)

std::cerr<<“Jajko z tego”<<SDL_GetError()<<std::endl;

screen=SDL_SetVideoMode(SZER,WYS,BPP,SDL_SWSURFACE|SDL_ANYFORMAT);

kula=SDL_LoadBMP(“kula.bmp”);

SDL_MapRGB(screen->format,0,255,255);

SDL_Event event;

SDL_PollEvent(&event);

SDL_Rect *klaw;

SDL_Rect *clip=NULL;

switch(event.key.keysym.sym)

{

case SDLK_UP:klaw->x=20;break;

case SDLK_LEFT:klaw->y=20;break;

}

SDL_BlitSurface(kula,NULL,screen,NULL);

SDL_Flip(screen);

SDL_Delay(5000);

SDL_Quit();

}–

krzysiek