checkbuffer        13 screen.c       unsigned char* checkbuffer;
checkbuffer        18 screen.c         checkbuffer = (unsigned char*)malloc(sizeof(unsigned char)*
checkbuffer        26 screen.c           checkbuffer[SCREENWIDTH*y+x]=c;
checkbuffer        36 screen.c               id = checkbuffer[SCREENWIDTH*((int)(pos.y)+y)+(int)(pos.x)+x];
checkbuffer        12 screen.h       extern unsigned char* checkbuffer;