pyo3_ffi

Function PyBuffer_ToContiguous

Source 
pub unsafe extern "C" fn PyBuffer_ToContiguous(
    buf: *mut c_void,
    view: *mut Py_buffer,
    len: Py_ssize_t,
    order: c_char,
) -> c_int
Available on non-Py_3_11 and non-Py_LIMITED_API only.