soji fsopengl lib mouse func usage

fsmouse.cpp

#include "fssimplewindow.h"
#include <stdio.h>
#include <stdlib.h>

typedef struct cursor *PtrCursor;

struct cursor
{
    int lb, mb, rb, mx, my;
};

PtrCursor mouse;
mouse = (PtrCursor)malloc(sizeof(cursor));

FsGetMouseState(mouse->lb, mouse->mb, mouse->rb, mouse->mx, mouse->my); 
//need check boundary, mx my can be outside window
printf("mx=%d,my=%d\n",mouse->mx,mouse->my);
//lb,mb,rb: whether left,mid,right button of mouse is pressed. 1=yes,0=no;
printf("lb=%d,mb=%d,rb=%d\n", mouse->lb, mouse->mb,mouse->rb); 

snippet. cannot use directly