用opengl写立方体，不知道头文件哪错了，请大家帮忙改下~

#include "stdafx.h"
#include<stdio.h>
#include <stdlib.h>
#include<windows.h>

#include<GL/glut.h>
void init(void)
{
    glClearColor(0.0,0.0,0.0,0.0);
    glShadeModel(GL_FLAT);//关闭渐变效果计算，两顶点之间的点与设置一个点相同
}
void display(void)
{
    glClear(GL_COLOR_BUFFER_BIT);
    glColor3f(1.0,1.0,1.0);
    glLoadIdentity();//透视投影
    gluLookAt(0.0,0.0,5.0,0.0,0.0,0.0,0.0,0.0,0.0);
   //观看视点在Z轴上方5
    glPushMatrix();
    glScalef(1.0,2.0,1.0);
    glutWireCube(1.0);
    glPopMatrix();
    glFlush();

}
void reshape(int w,int h)
{
    glViewport(0,0,(GLsizei)h,(GLsizei)w);
    glMatrixMode(GL_PROJECTION);
    glLoadIdentity();
    glFrustum(-1.0,1.0,-1.0,1.0,1.5,20.0);//??
    glMatrixMode(GL_MODELVIEW);
    glLoadIdentity();
}
int main(int argc,char**argv)
{
    glutInit(&argc,argv);
    glutInitDisplayMode(GLUT_SINGLE|GLUT_RGB);
    glutInitWindowSize(500,500);
    glutInitWindowPosition(10,10);
    glutCreateWindow(argv[0]);
    init();
    glutDisplayFunc(display);
    glutReshapeFunc(reshape);
    glutMainLoop();
    return 0;
}