can' replace teapot with banana

I downloaded banana.h file from http://heikobehrens.net/2009/08/27/obj2opengl/. I included .h file. I replaced like this in EAGLView.mm file:

namespace {

    // Teapot texture filenames

    const char* textureFilenames[] = {

    "banana.jpg",    

/*

        "TextureTeapotBrass.png",

        "TextureTeapotBlue.png",

        "TextureTeapotRed.png"

         */

         }/

/ Model scale factor

    const float kObjectScale = 3.0f;

}

- (void) setup3dObjects

{

    // build the array of objects we want drawn and their texture

    // in this example we have 3 targets and require 3 models

    // but using the same underlying 3D model of a teapot, differentiated

    // by using a different texture for each

    for (int i=0; i < [textures count]; i++)

    {

        Object3D *obj3D = [[Object3D alloc] init];

     //   obj3D.numVertices = NUM_TEAPOT_OBJECT_VERTEX;

        obj3D.numVertices =bananaNumVerts;

       obj3D.vertices = bananaVerts;

        obj3D.normals = bananaNormals;

        obj3D.texCoords = bananaTexCoords;

        obj3D.numIndices = 0;

        obj3D.indices = nil;

        obj3D.texture = [textures objectAtIndex:i];

        [objects3D addObject:obj3D];

        [obj3D release];

           }

}

In renderFrame replaced:

 glVertexPointer(3, GL_FLOAT, 0, bananaVerts);

            glNormalPointer(GL_FLOAT, 0, bananaNormals);

            glTexCoordPointer(2, GL_FLOAT, 0, bananaTexCoords);

                glDrawArrays(GL_TRIANGLES, 0, bananaNumVerts);

Where i did mistake.