162         png_charp text, png_size_t text_len, int compression,  in png_text_compress()  argument
177        comp->input_len = text_len;  in png_text_compress()
178        return((int)text_len);  in png_text_compress()
208    png_ptr->zstream.avail_in = (uInt)text_len;  in png_text_compress()
328    text_len = png_ptr->zbuf_size * comp->num_output_ptr;  in png_text_compress()
330       text_len += png_ptr->zbuf_size - (png_size_t)png_ptr->zstream.avail_out;  in png_text_compress()
332    return((int)text_len);  in png_text_compress()
1328    png_size_t text_len)  in png_write_tEXt()  argument
1344       text_len = 0;  in png_write_tEXt()
1346       text_len = png_strlen(text);  in png_write_tEXt()
1349    png_write_chunk_start(png_ptr, (png_bytep)png_tEXt, (png_uint_32)key_len+text_len+1);  in png_write_tEXt()
1357    if (text_len)  in png_write_tEXt()
1358       png_write_chunk_data(png_ptr, (png_bytep)text, text_len);  in png_write_tEXt()
1369    png_size_t text_len, int compression)  in png_write_zTXt()  argument
1400    text_len = png_strlen(text);  in png_write_zTXt()
1403    text_len = png_text_compress(png_ptr, text, text_len, compression,  in png_write_zTXt()
1408       (key_len+text_len+2));  in png_write_zTXt()
1433    png_size_t lang_len, key_len, lang_key_len, text_len;  in png_write_iTXt()  local
1463       text_len = 0;  in png_write_iTXt()
1465      text_len = png_strlen(text);  in png_write_iTXt()
1468    text_len = png_text_compress(png_ptr, text, text_len, compression-2,  in png_write_iTXt()
1481         + text_len));  in png_write_iTXt()