pyo3_ffi

Function Py_PreInitializeFromArgs

Source 
pub unsafe extern "C" fn Py_PreInitializeFromArgs(
    src_config: *const PyPreConfig,
    argc: Py_ssize_t,
    argv: *mut *mut wchar_t,
) -> PyStatus
Available on Py_3_8 and non-PyPy and non-Py_LIMITED_API only.