1[section boost/python/ssize_t.hpp] 2[section Introduction] 3Python 2.5 introduces a new `Py_ssize_t` typedef and two related macros ([@http://www.python.org/dev/peps/pep-0353/ PEP 353]). The <boost/python/ssize_t.hpp> header imports these definitions into the `boost::python` namespace as `ssize_t`, `ssize_t_max`, and `ssize_t_min`. Appropriate definitions are provided for backward compatibility with previous Python versions. 4[endsect] 5[section Typedefs] 6Imports `Py_ssize_t` into the `boost::python` namespace if available, or provides an appropriate typedef for backward compatibility: 7`` 8#if PY_VERSION_HEX >= 0x02050000 9typedef Py_ssize_t ssize_t; 10#else 11typedef int ssize_t; 12#endif 13`` 14[endsect] 15[section Constants] 16Imports `PY_SSIZE_T_MAX` and `PY_SSIZE_T_MIN` as constants into the `boost::python` namespace if available, or provides appropriate constants for backward compatibility: 17`` 18#if PY_VERSION_HEX >= 0x02050000 19ssize_t const ssize_t_max = PY_SSIZE_T_MAX; 20ssize_t const ssize_t_min = PY_SSIZE_T_MIN; 21#else 22ssize_t const ssize_t_max = INT_MAX; 23ssize_t const ssize_t_min = INT_MIN; 24#endif 25`` 26[endsect] 27[endsect] 28