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where is wrong with complier this program?

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from a official document(with vc6.0 in winxp): #include <GL/gl.h> #include <GL/glu.h> #include <stdio.h> #include <math.h> #include <GL/glaux.h> #include <stdlib.h> #pragma comment(lib,"opengl32.lib") #pragma comment(lib,"glu32.lib") #pragma comment(lib,"glaux.lib") GLuint theTorus; //Draw a torus static void torus(int numc,int numt) { int i,j,k; double s,t,x,y,z,twopi; twopi = 2*(double)M_PI; for(i=0;i=0;k--) { s=(i+k)%numc + 0.5; t=j%numt; x=(1+0.1*cos(s*twopi/numc))*cos(t*twopi/numt); y=(1+0.1*cos(s*twopi/numc))*sin(t*twopi/numt); z=0.1*sin(s*twopi/numc); glVertex3f(x,y,z); } } glEnd(); } } //Create display list with Torus and initialize state static void init(void) { theTorus = glGenLists(1); glNewList(theTorus,GL_COMPILE); torus(8,25); glEndList(); glShadeModel(GL_FLAT); glClearColor(0.0,0.0,0.0,0.0); } void display(void) { glClear(GL_COLOR_BUFFER_BIT); glColor3f(1.0,1.0,1.0); glCallList(theTorus); glFlush(); } void reshape(int w,int h) { glViewport(0,0,(GLsizei)w,(GLsizei)h); glMatrixMode(GL_PROJECTION); glLoadIdentity(); gluPerspective(30,(GLfloat)w/(GLfloat)h,1.0,100); glMatrixMode(GL_MODELVIEW); glLoadIdentity(); gluLookAt(0,0,10,0,0,0,0,1,0); } void keyboard(unsigned char key,int x,int y) { switch(key) { case ''x'': case ''X'': glRotatef(30.0,0.0,1.0,0.0); glutPostRedisplay(); break; case ''y'': case ''Y'': glRotatef(30.0,0.0,1.0,0.0); glutPostRedisplay(); break; case ''i'': case ''I'': glLoadIdentity(); glutLookAt(0,0,10,0,0,0,0,1,0); glutPostRedisplay(); break; case 27: exit(0); break; } } int main(int argc,char **argv) { glutInitWindowSize(200,200); glutInit(&argc,argv); glutInitDisplayMode(GLUT_SINGLE|GLUT_RGB); glutCreateWindow(argv[0]); //init(); glutReshapeFunc(reshape); glutKeyBoardFunc(keyboard); glutDisplayFunc(display); return 0; }

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