Lines Matching refs:zs
244 png->zs = calloc(1, sizeof (z_stream));246 stream = png->zs;252 free(png->zs);253 png->zs = NULL;266 z_stream *stream = png->zs;277 free(png->zs);278 png->zs = NULL;287 z_stream *stream = png->zs;366 if (!png->zs) {560 png->zs = NULL;573 if (png->zs)