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;