316             png_ptr->zstream.msg = PNGZ_MSG_CAST("in use by IDAT");  in png_deflate_claim()
395          if (deflateEnd(&png_ptr->zstream) != Z_OK)  in png_deflate_claim()
404       png_ptr->zstream.next_in = NULL;  in png_deflate_claim()
405       png_ptr->zstream.avail_in = 0;  in png_deflate_claim()
406       png_ptr->zstream.next_out = NULL;  in png_deflate_claim()
407       png_ptr->zstream.avail_out = 0;  in png_deflate_claim()
413          ret = deflateReset(&png_ptr->zstream);  in png_deflate_claim()
417          ret = deflateInit2(&png_ptr->zstream, level, method, windowBits,  in png_deflate_claim()
520       png_ptr->zstream.next_in = PNGZ_INPUT_CAST(comp->input);  in png_text_compress()
521       png_ptr->zstream.avail_in = 0; /* Set below */  in png_text_compress()
522       png_ptr->zstream.next_out = comp->output;  in png_text_compress()
523       png_ptr->zstream.avail_out = (sizeof comp->output);  in png_text_compress()
525       output_len = png_ptr->zstream.avail_out;  in png_text_compress()
536          png_ptr->zstream.avail_in = avail_in;  in png_text_compress()
538          if (png_ptr->zstream.avail_out == 0)  in png_text_compress()
571             png_ptr->zstream.next_out = next->output;  in png_text_compress()
572             png_ptr->zstream.avail_out = png_ptr->zbuffer_size;  in png_text_compress()
573             output_len += png_ptr->zstream.avail_out;  in png_text_compress()
580          ret = deflate(&png_ptr->zstream,  in png_text_compress()
586          input_len += png_ptr->zstream.avail_in;  in png_text_compress()
587          png_ptr->zstream.avail_in = 0; /* safety */  in png_text_compress()
594       output_len -= png_ptr->zstream.avail_out;  in png_text_compress()
595       png_ptr->zstream.avail_out = 0; /* safety */  in png_text_compress()
604          png_ptr->zstream.msg = PNGZ_MSG_CAST("compressed data too long");  in png_text_compress()
953          png_error(png_ptr, png_ptr->zstream.msg);  in png_compress_IDAT()
958       png_ptr->zstream.next_out = png_ptr->zbuffer_list->output;  in png_compress_IDAT()
959       png_ptr->zstream.avail_out = png_ptr->zbuffer_size;  in png_compress_IDAT()
966    png_ptr->zstream.next_in = PNGZ_INPUT_CAST(input);  in png_compress_IDAT()
967    png_ptr->zstream.avail_in = 0; /* set below */  in png_compress_IDAT()
978       png_ptr->zstream.avail_in = avail;  in png_compress_IDAT()
981       ret = deflate(&png_ptr->zstream, input_len > 0 ? Z_NO_FLUSH : flush);  in png_compress_IDAT()
984       input_len += png_ptr->zstream.avail_in;  in png_compress_IDAT()
985       png_ptr->zstream.avail_in = 0;  in png_compress_IDAT()
991       if (png_ptr->zstream.avail_out == 0)  in png_compress_IDAT()
1009          png_ptr->zstream.next_out = data;  in png_compress_IDAT()
1010          png_ptr->zstream.avail_out = size;  in png_compress_IDAT()
1044          uInt size = png_ptr->zbuffer_size - png_ptr->zstream.avail_out;  in png_compress_IDAT()
1054          png_ptr->zstream.avail_out = 0;  in png_compress_IDAT()
1055          png_ptr->zstream.next_out = NULL;  in png_compress_IDAT()
1066          png_error(png_ptr, png_ptr->zstream.msg);  in png_compress_IDAT()
1164       png_error(png_ptr, png_ptr->zstream.msg);  in png_write_iCCP()
1605       png_error(png_ptr, png_ptr->zstream.msg);  in png_write_zTXt()
1691          png_error(png_ptr, png_ptr->zstream.msg);  in png_write_iTXt()