317             png_ptr->zstream.msg = PNGZ_MSG_CAST("in use by IDAT");  in png_deflate_claim()
396          if (deflateEnd(&png_ptr->zstream) != Z_OK)  in png_deflate_claim()
405       png_ptr->zstream.next_in = NULL;  in png_deflate_claim()
406       png_ptr->zstream.avail_in = 0;  in png_deflate_claim()
407       png_ptr->zstream.next_out = NULL;  in png_deflate_claim()
408       png_ptr->zstream.avail_out = 0;  in png_deflate_claim()
414          ret = deflateReset(&png_ptr->zstream);  in png_deflate_claim()
418          ret = deflateInit2(&png_ptr->zstream, level, method, windowBits,  in png_deflate_claim()
521       png_ptr->zstream.next_in = PNGZ_INPUT_CAST(comp->input);  in png_text_compress()
522       png_ptr->zstream.avail_in = 0; /* Set below */  in png_text_compress()
523       png_ptr->zstream.next_out = comp->output;  in png_text_compress()
524       png_ptr->zstream.avail_out = (sizeof comp->output);  in png_text_compress()
526       output_len = png_ptr->zstream.avail_out;  in png_text_compress()
537          png_ptr->zstream.avail_in = avail_in;  in png_text_compress()
539          if (png_ptr->zstream.avail_out == 0)  in png_text_compress()
572             png_ptr->zstream.next_out = next->output;  in png_text_compress()
573             png_ptr->zstream.avail_out = png_ptr->zbuffer_size;  in png_text_compress()
574             output_len += png_ptr->zstream.avail_out;  in png_text_compress()
581          ret = deflate(&png_ptr->zstream,  in png_text_compress()
587          input_len += png_ptr->zstream.avail_in;  in png_text_compress()
588          png_ptr->zstream.avail_in = 0; /* safety */  in png_text_compress()
595       output_len -= png_ptr->zstream.avail_out;  in png_text_compress()
596       png_ptr->zstream.avail_out = 0; /* safety */  in png_text_compress()
605          png_ptr->zstream.msg = PNGZ_MSG_CAST("compressed data too long");  in png_text_compress()
949          png_error(png_ptr, png_ptr->zstream.msg);  in png_compress_IDAT()
954       png_ptr->zstream.next_out = png_ptr->zbuffer_list->output;  in png_compress_IDAT()
955       png_ptr->zstream.avail_out = png_ptr->zbuffer_size;  in png_compress_IDAT()
962    png_ptr->zstream.next_in = PNGZ_INPUT_CAST(input);  in png_compress_IDAT()
963    png_ptr->zstream.avail_in = 0; /* set below */  in png_compress_IDAT()
974       png_ptr->zstream.avail_in = avail;  in png_compress_IDAT()
977       ret = deflate(&png_ptr->zstream, input_len > 0 ? Z_NO_FLUSH : flush);  in png_compress_IDAT()
980       input_len += png_ptr->zstream.avail_in;  in png_compress_IDAT()
981       png_ptr->zstream.avail_in = 0;  in png_compress_IDAT()
987       if (png_ptr->zstream.avail_out == 0)  in png_compress_IDAT()
1004          png_ptr->zstream.next_out = data;  in png_compress_IDAT()
1005          png_ptr->zstream.avail_out = size;  in png_compress_IDAT()
1039          uInt size = png_ptr->zbuffer_size - png_ptr->zstream.avail_out;  in png_compress_IDAT()
1048          png_ptr->zstream.avail_out = 0;  in png_compress_IDAT()
1049          png_ptr->zstream.next_out = NULL;  in png_compress_IDAT()
1060          png_error(png_ptr, png_ptr->zstream.msg);  in png_compress_IDAT()
1158       png_error(png_ptr, png_ptr->zstream.msg);  in png_write_iCCP()
1577       png_error(png_ptr, png_ptr->zstream.msg);  in png_write_zTXt()
1663          png_error(png_ptr, png_ptr->zstream.msg);  in png_write_iTXt()