[Dev-C++] Problem with OpenGL

[Max P. <Max...@we...>]

Hi everybody!

I've got a  problem with compiling OpenGL code written in C. When I want to compile this code

#include <windows.h>							
#include <gl\gl.h>						
#include <gl\glu.h>							
#include <gl\glaux.h>

int main(int argc, char** argv)
{
    auxInitDisplayMode (AUX_SINGLE | AUX_RGBA);
    auxInitPosition (0, 0, 500, 500);
    auxInitWindow (argv[0]);

    glClearColor (0.0, 0.0, 0.0, 0.0);
    glClear(GL_COLOR_BUFFER_BIT);
    glColor3f(1.0, 1.0, 1.0);
    glMatrixMode(GL_PROJECTION);
    glLoadIdentity();
    glOrtho(-1.0, 1.0, -1.0, 1.0, -1.0, 1.0);
    glBegin(GL_POLYGON);
          glVertex2f(-0.5, -0.5);
          glVertex2f(-0.5, 0.5);
          glVertex2f(0.5, 0.5);
          glVertex2f(0.5, -0.5);
    glEnd();
    glFlush();
    return 0;
}

it reports that <i>all</i> funcs used are unknown! I am quite sure that there's a problem with the .h files cause in VC++ I got it compiling. Could someone please tell me what to do in order to get this problem solved?
Thanks,
Max
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