INTERLACE 231 gd/libgd/gd_gif_in.c im->interlace = BitSet(buf[8], INTERLACE); INTERLACE 238 gd/libgd/gd_gif_in.c BitSet(buf[8], INTERLACE), &ZeroDataBlock); INTERLACE 246 gd/libgd/gd_gif_in.c BitSet(buf[8], INTERLACE), &ZeroDataBlock);