Как избавится от ошибки?

#include <stdio.h>
#include <stdlib.h>
#include <SDL2/SDL.h>
#include <SDL2/SDL_ttf.h>
#include <time.h>
#undef main

int keys(SDL_Event*e,int key)
{
    switch(e->key.keysym.sym)
    {
    case SDLK_ESCAPE:
        return 0;
        break;
    case SDLK_DOWN:
       if(key!=4)
        {
            key++;
        }
        return key;
        break;
    case SDLK_UP:
        if(key!=1)
        {
            key--;
        }
        return key;
        break;
    case SDLK_RIGHT:
        break;
    case SDLK_LEFT:
        break;
    case SDLK_RETURN:
        if(key==4)
        {
         return 0;
        }
        break;
    }
}

void LoadImege(char *path,SDL_Renderer *ren)
{
    SDL_Surface *surface=SDL_LoadBMP(path);
    SDL_Texture *texture=SDL_CreateTextureFromSurface(ren,surface);
    SDL_Rect rect;
    rect.h=surface->h;
    rect.w=surface->w;
    rect.x=0;
    rect.y=170;
    SDL_RenderCopy(ren,texture,NULL,&rect);
}

void LoadText(SDL_Renderer *ren,char *word,int *x, int *y,TTF_Font *font,int *size_x,int *size_y,int *target)
{
    SDL_Color color= {200,100,20},bkcolor={200,150,0};
    SDL_Surface *surface;
    if(target==1)
    {
        surface=TTF_RenderText_Shaded(font,word,color,bkcolor);
    }
    else
    {
       surface=TTF_RenderText_Blended(font,word,color);
    }
    SDL_Texture *texture=SDL_CreateTextureFromSurface(ren,surface);
    SDL_Rect rect= {x,y,size_x,size_y};
    SDL_RenderCopy(ren,texture,NULL,&rect);
}


int main(int arge,char**argv)
{
    srand(time(0));

    if(SDL_Init(SDL_INIT_VIDEO)<0)
    {
        puts("video_error");
        return 1;
    }
    if(TTF_Init()<0)
    {
        puts("text_error");
        return 1;
    }
    TTF_Font *font=TTF_OpenFont("arial.ttf",50);



    SDL_Window *win=SDL_CreateWindow("Menu",SDL_WINDOWPOS_CENTERED,SDL_WINDOWPOS_CENTERED,1280,1024,SDL_WINDOW_SHOWN);
    SDL_Renderer*ren=SDL_CreateRenderer(win,-1,SDL_RENDERER_SOFTWARE);
    SDL_RenderPresent(ren);

    int key=1;
    int ok=1;

    SDL_Event event;

    while(ok)
    {
        LoadImege("fon.bmp",ren);
        if(key==1) LoadText(ren,"Punct 1",600,200,font,100,100,1);
        else LoadText(ren,"Punct 1",600,200,font,100,100,0);

        if(key==2) LoadText(ren,"Punct 2",600,300,font,100,100,1);
        else LoadText(ren,"Punct 2",600,300,font,100,100,0);

        if(key==3)LoadText(ren,"Punct 3",600,400,font,100,100,1);
        else LoadText(ren,"Punct 3",600,400,font,100,100,0);

        if(key==4)LoadText(ren,"Punct 4",600,500,font,100,100,1);
        else LoadText(ren,"Punct 4",600,500,font,100,100,0);


        while(SDL_PollEvent(&event))
        {
            switch(event.type)
            {
                break;
            case SDL_KEYDOWN:
                ok=keys(&event,key);
                key=ok;
                break;
            }

        }
        SDL_RenderPresent(ren);
         SDL_RenderClear(ren);

    }
    return 0;
}