make a multipage tiff file

createtiff.c

/* compile with
 *
 *  gcc -Wall createtiff.c `pkg-config libtiff --cflags --libs`
 */

#include <tiffio.h>

int
main (int argc, const char **argv)
{
    TIFF *tiff;

    if (!(tiff = TIFFOpen(argv[1], "w")))
        return 1;

    for (int i = 0; i < 10; i++) {
        char pixel[1] = { 128 };

        TIFFSetField (tiff, TIFFTAG_IMAGEWIDTH, 1);
        TIFFSetField (tiff, TIFFTAG_IMAGELENGTH, 1);
        TIFFSetField (tiff, TIFFTAG_SAMPLESPERPIXEL, 1);
        TIFFSetField (tiff, TIFFTAG_BITSPERSAMPLE, 8);
        TIFFSetField (tiff, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_MINISBLACK);
        if (TIFFWriteScanline(tiff, pixel, 0, 0) < 0)
            return 1;

        if (!TIFFWriteDirectory(tiff))
            return 1;
    }

    TIFFClose (tiff);

    return 0;
}