gdImageGifCtx    2704 ext/gd/gd.c    	_php_image_output_ctx(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_GDIMG_TYPE_GIF, "GIF", gdImageGifCtx);
gdImageGifCtx     588 ext/gd/libgd/gd.h void gdImageGifCtx(gdImagePtr im, gdIOCtx *out);
gdImageGifCtx     104 ext/gd/libgd/gd_gif_out.c   gdImageGifCtx (im, out);
gdImageGifCtx     113 ext/gd/libgd/gd_gif_out.c   gdImageGifCtx (im, out);