1925    png_ptr->row_buf = png_voidcast(png_bytep, png_malloc(png_ptr, buf_size));  in png_write_start_row()
1927    png_ptr->row_buf[0] = PNG_FILTER_VALUE_NONE;  in png_write_start_row()
2289    for (i = 0, rp = png_ptr->row_buf + 1, dp = png_ptr->try_row + 1; i < bpp;  in png_setup_sub_row()
2300    for (lp = png_ptr->row_buf + 1; i < row_bytes;  in png_setup_sub_row()
2326    for (i = 0, rp = png_ptr->row_buf + 1, dp = png_ptr->try_row + 1; i < bpp;  in png_setup_sub_row_only()
2332    for (lp = png_ptr->row_buf + 1; i < row_bytes;  in png_setup_sub_row_only()
2349    for (i = 0, rp = png_ptr->row_buf + 1, dp = png_ptr->try_row + 1,  in png_setup_up_row()
2374    for (i = 0, rp = png_ptr->row_buf + 1, dp = png_ptr->try_row + 1,  in png_setup_up_row_only()
2393    for (i = 0, rp = png_ptr->row_buf + 1, dp = png_ptr->try_row + 1,  in png_setup_avg_row()
2405    for (lp = png_ptr->row_buf + 1; i < row_bytes; i++)  in png_setup_avg_row()
2431    for (i = 0, rp = png_ptr->row_buf + 1, dp = png_ptr->try_row + 1,  in png_setup_avg_row_only()
2437    for (lp = png_ptr->row_buf + 1; i < row_bytes; i++)  in png_setup_avg_row_only()
2455    for (i = 0, rp = png_ptr->row_buf + 1, dp = png_ptr->try_row + 1,  in png_setup_paeth_row()
2467    for (lp = png_ptr->row_buf + 1, cp = png_ptr->prev_row + 1; i < row_bytes;  in png_setup_paeth_row()
2514    for (i = 0, rp = png_ptr->row_buf + 1, dp = png_ptr->try_row + 1,  in png_setup_paeth_row_only()
2520    for (lp = png_ptr->row_buf + 1, cp = png_ptr->prev_row + 1; i < row_bytes;  in png_setup_paeth_row_only()
2553    png_write_filtered_row(png_ptr, png_ptr->row_buf, row_info->rowbytes+1);  in png_write_find_filter()
2556    png_bytep row_buf;  in png_write_find_filter()
2567    row_buf = png_ptr->row_buf;  in png_write_find_filter()
2599    best_row = png_ptr->row_buf;  in png_write_find_filter()
2620          for (i = 0, rp = row_buf + 1; i < row_bytes; i++, rp++)  in png_write_find_filter()
2763       png_ptr->prev_row = png_ptr->row_buf;  in png_write_filtered_row()
2764       png_ptr->row_buf = tptr;  in png_write_filtered_row()