resize no vertical

    int padding =  (4 - (bi.biWidth * sizeof(RGBTRIPLE)) % 4) % 4;
    int oldPadding =  (4 - (oldWidth * sizeof(RGBTRIPLE)) % 4) % 4;

    long inposit = ftell(inptr);
    long outposit = ftell(outptr);

    // iterate over infile's scanlines
    for(int i = 0; i < abs(oldHeight); i++)
    {
        //iterate over the scanlines n times
        for(int j = 0; j < n; j++)
        {
            //iterate over the pixels
            for(int k = 0; k < abs(oldWidth); k++)
            {
                //get temp var
                RGBTRIPLE triple;

                //store file position
                //inposit = ftell(inptr);

                //set the correct position to read from
                fseek(inptr, inposit, SEEK_SET);

                //read pixel into infile
                fread(&triple, sizeof(RGBTRIPLE), 1, inptr);

                //store file position
                inposit = ftell(inptr);

                //set the correct position to write to
                fseek(outptr, outposit, SEEK_SET);

                //write n times to outfile
                for(int l = 0; l < n; l++)
                {
                    fwrite(&triple, sizeof(RGBTRIPLE), 1, outptr);
                }

                outposit = ftell(outptr);
            }


            // then add it back (to demonstrate how)
            for (int k = 0; k < padding; k++)
            {
                fputc(0x00, outptr);
            }

            //send outptr to the next line
            fseek(outptr, padding, SEEK_CUR);

            //return to start of line for reading
            fseek(inptr, 0 - oldWidth, SEEK_CUR);

            //update inposit and outposit
            //inposit = ftell(inptr);
            outposit = ftell(outptr);

        }

        //move input fileposition to the next line
        // skip over padding, if any
        fseek(inptr, oldWidth + oldPadding, SEEK_CUR);
    }